{"product_id":"high-efficiency-20a-dual-battery-mppt-solar-charge-controller","title":"High efficiency 20A dual battery MPPT solar charge controller","description":"\u003c!-- eBay Listing: Photonic Universe DM2024 20A Dual Battery MPPT Solar Charge Controller --\u003e\n\u003c!-- eBay Compliant: No scripts, no external links, no Shopify tags, inline styles only --\u003e\n\u003cdiv style=\"font-family: Georgia, 'Times New Roman', serif; font-size: 16px; line-height: 1.7; color: #1a1a1a; max-width: 900px; margin: 0 auto; background-color: #ffffff;\"\u003e\n\n  \u003cdiv style=\"background-color: #0d2137; padding: 36px 24px; text-align: center; border-radius: 4px 4px 0 0;\"\u003e\n    \u003cdiv style=\"font-family: 'Courier New', Courier, monospace; font-size: 11px; letter-spacing: 4px; color: #f0a020; text-transform: uppercase; margin-bottom: 10px;\"\u003ePhotonic Universe  ▶  DuoRacer DM Series\u003c\/div\u003e\n    \u003ch1 style=\"margin: 0; font-size: 24px; font-weight: 700; color: #ffffff; letter-spacing: 0.5px; line-height: 1.3;\"\u003e20A Dual Battery MPPT Solar Charge Controller\u003c\/h1\u003e\n    \u003cp style=\"margin: 12px 0 0; font-size: 15px; color: #a8c4d8; font-style: italic;\"\u003eHigh Efficiency  |  12V\/24V Auto-Select  |  Up to 100V PV Input\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 28px 24px; background-color: #f7f9fb; border-left: 1px solid #d8e4ee; border-right: 1px solid #d8e4ee;\"\u003e\n    \u003cp style=\"margin: 0 0 16px; font-size: 16px; color: #333;\"\u003eThe Photonic Universe DM2024 is a high-efficiency 20A dual battery MPPT solar charge controller designed for robust solar power systems. It intelligently manages solar input to charge two independent battery banks, making it an ideal solution for campervans, motorhomes, boats, and other off-grid applications requiring both a primary (leisure) and secondary (starter) battery.\u003c\/p\u003e\n    \u003cp style=\"margin: 0; font-size: 16px; color: #333;\"\u003eUtilising advanced Maximum Power Point Tracking (MPPT) technology, this controller ensures your solar panels operate at peak efficiency, significantly outperforming traditional PWM controllers. It supports solar panel arrays up to 260W for 12V battery systems or 520W for 24V battery systems, with a wide solar input voltage range up to 100V.\u003c\/p\u003e\n    \u003cdiv style=\"margin-top: 20px; background-color: #0d2137; border-left: 5px solid #f0a020; padding: 14px 18px; border-radius: 0 4px 4px 0;\"\u003e\n      \u003cp style=\"margin: 0; color: #e8f0f8; font-size: 15px;\"\u003e\u003cstrong style=\"color: #f0a020;\"\u003eDUAL BATTERY FOCUS:\u003c\/strong\u003e Charges a main battery with high power and provides a trickle charge of up to 1A to a secondary battery, ensuring both are maintained.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: table; width: 100%; border-collapse: collapse; margin-top: 0;\"\u003e\n    \u003cdiv style=\"display: table-cell; width: 50%; vertical-align: top; padding: 24px; border: 1px solid #d8e4ee; border-top: none; background-color: #ffffff;\"\u003e\n      \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eKey Features\u003c\/h2\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eMPPT Technology\u003c\/strong\u003e — Maximises solar energy harvest with \u0026gt;95% tracking efficiency.\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eDual Battery Charging\u003c\/strong\u003e — Independently charges two battery banks (main and secondary).\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eWide PV Input Range\u003c\/strong\u003e — Compatible with solar panels up to 100V, allowing flexible array configurations.\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eAdvanced Battery Compatibility\u003c\/strong\u003e — Supports Gel, AGM, Flooded, and Lithium (LiFePO4, Li-NiCoMn) for the main battery.\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eLCD Display\u003c\/strong\u003e — Provides real-time charging parameters and system status at a glance.\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eCurrent Limiting Function\u003c\/strong\u003e — Allows for future solar panel expansion up to 20A.\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eRemote Monitoring Ready\u003c\/strong\u003e — Features RS485 port for optional remote meter (MT11) or Bluetooth module.\u003c\/td\u003e\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"display: table-cell; width: 50%; vertical-align: top; padding: 24px; border: 1px solid #d8e4ee; border-top: none; border-left: none; background-color: #f7f9fb;\"\u003e\n      \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #0d2137;\"\u003e\n            \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eParameter\u003c\/th\u003e\n            \u003cth style=\"padding: 10px 12px; text-align: right; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eValue\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eSystem Voltage\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e12V \/ 24V Auto-Select\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #edf3f8;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eRated Charge Current\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e20A\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eMax. PV Open Circuit Voltage\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e100V\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #edf3f8;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eMax. PV Input Power (12V)\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e260W\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eMax. PV Input Power (24V)\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e520W\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #edf3f8;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eMPPT Tracking Efficiency\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e\u0026gt;95%\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eSecondary Battery Charge Current\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003eUp to 1A Trickle\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #edf3f8;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eTerminals\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e3 Pairs (PV, Batt1, Batt2) up to 16mm²\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eCommunication Port\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003eRS485\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #edf3f8;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eGrounding\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003eNegative Common Ground\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eSelf-Consumption\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e\u0026lt;26mA\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #edf3f8;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eWorking Temperature\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e-30°C to +80°C\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eDimensions (L x W x H)\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e243.7 x 158 x 63 mm\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #edf3f8;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eWeight\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003e1.1 kg\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333;\"\u003eIngress Protection (IP)\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333; text-align: right;\"\u003e\u003cstrong\u003eIP33 (when installed)\u003c\/strong\u003e\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 24px; border: 1px solid #d8e4ee;\"\u003e\n    \u003cdiv style=\"background-color: #0d2137; padding: 12px 20px;\"\u003e\n      \u003ch2 style=\"margin: 0; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #f0a020; font-weight: normal;\"\u003eCharging \u0026amp; Battery Modes\u003c\/h2\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"padding: 20px 24px; background-color: #ffffff;\"\u003e\n      \u003cp style=\"margin: 0 0 16px; font-size: 16px; color: #333;\"\u003eThe DM2024 controller offers intelligent charging for optimal battery health and system performance.\u003c\/p\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #1a3550;\"\u003e\n            \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eFeature\u003c\/th\u003e\n            \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eDescription\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eMain Battery (BATT1) Charging\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eReceives the majority of the solar power for primary energy needs. Compatible with Gel, AGM, Lead-Acid Flooded, and Lithium (LiFePO4 or Li-NiCoMn) battery types.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f7f9fb;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eSecondary Battery (BATT2) Charging\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eReceives a trickle charge of up to 1A to keep it topped up and ready for use, typically a starter battery.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eAutomatic System Voltage\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eAutomatically detects 12V or 24V system voltage upon connection of the secondary battery.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f7f9fb;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eBuilt-in temperature sensor and optional remote sensor optimise charging for lead-acid batteries and provide low-temperature protection for lithium batteries.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eLow-Power Mode\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333;\"\u003eSystem automatically enters a low-power state when not in use to reduce standby consumption.\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 24px; border: 1px solid #d8e4ee;\"\u003e\n    \u003cdiv style=\"background-color: #0d2137; padding: 12px 20px;\"\u003e\n      \u003ch2 style=\"margin: 0; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #f0a020; font-weight: normal;\"\u003eTypical Applications\u003c\/h2\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"padding: 20px 24px; background-color: #ffffff;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #1a3550;\"\u003e\n            \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eApplication\u003c\/th\u003e\n            \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eDescription\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eCampervans \u0026amp; Motorhomes\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eEfficiently charges leisure batteries for onboard appliances while maintaining the vehicle's starter battery.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f7f9fb;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eBoats \u0026amp; Marine Vessels\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eManages power for service batteries and ensures the engine start battery is always ready.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #ffffff;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eOff-Grid Cabins \u0026amp; Sheds\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003ePowers lighting, small appliances, and other electrical needs in remote locations with dual battery setups.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f7f9fb;\"\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eSpecialised Vehicles\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333;\"\u003eSuitable for utility vehicles, mobile workshops, or any system requiring reliable charging for two independent battery banks.\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 24px; padding: 24px; border: 1px solid #d8e4ee; background-color: #ffffff;\"\u003e\n    \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eBuilt-In Protection Functions\u003c\/h2\u003e\n    \u003cp style=\"margin: 0; font-size: 15px; color: #333;\"\u003eThe Photonic Universe DM2024 controller incorporates a comprehensive suite of electronic protection features to ensure system safety and longevity. These include:\n      Reverse Current Protection (at night)  •  Over-Charging Protection  •  Short Circuit Protection  •  Reverse Polarity Protection (PV and Battery)  •  Over-Discharge Protection  •  Over-Temperature Protection  •  PV Over-Current\/Power Protection.\n      The controller casing is water-resistant to an IP33 rating when installed, offering protection against sprays of water at up to 60 degrees from vertical.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 24px; border: 1px solid #d8e4ee;\"\u003e\n    \u003cdiv style=\"background-color: #0d2137; padding: 12px 20px;\"\u003e\n      \u003ch2 style=\"margin: 0; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #f0a020; font-weight: normal;\"\u003eCommon Questions\u003c\/h2\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"padding: 20px 24px;\"\u003e\n      \u003cdiv style=\"margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #eee;\"\u003e\n        \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eWhat types of batteries are compatible with this controller?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThe main battery (BATT1) is compatible with Gel, AGM, Lead-Acid Flooded, and Lithium (LiFePO4 or Li-NiCoMn) batteries. The secondary battery (BATT2) is typically a lead-acid type and receives a trickle charge.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #eee;\"\u003e\n        \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eCan I use this controller with only one battery?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eYes, the controller can function with a single battery connected. It will automatically detect if only one battery is present and direct all charging current to it.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #eee;\"\u003e\n        \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eWhat is the maximum solar panel voltage this controller can handle?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThis controller can accept a maximum solar panel open circuit voltage (Voc) of 100V, providing flexibility for various panel configurations.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"margin-bottom: 0; padding-bottom: 0; border-bottom: none;\"\u003e\n        \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eDoes it come with a user manual?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eYes, the controller is supplied with a detailed user manual that explains wiring and operational procedures.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 24px; display: table; width: 100%; border-collapse: collapse;\"\u003e\n    \u003cdiv style=\"display: table-cell; width: 50%; vertical-align: top; padding: 24px; border: 1px solid #d8e4ee; background-color: #ffffff;\"\u003e\n      \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eInstallation Notes\u003c\/h2\u003e\n      \u003cul style=\"margin: 0; padding-left: 18px; font-size: 15px; color: #444; line-height: 1.9;\"\u003e\n        \u003cli\u003eEnsure all connections are tight and secure to prevent voltage drops and overheating.\u003c\/li\u003e\n        \u003cli\u003eConnect batteries to the controller first, before connecting solar panels. Disconnect in the reverse order.\u003c\/li\u003e\n        \u003cli\u003eInstall the controller in a well-ventilated area, away from direct sunlight and moisture, to ensure proper heat dissipation.\u003c\/li\u003e\n        \u003cli\u003eThe two battery banks must have the same rated voltage (12V or 24V).\u003c\/li\u003e\n        \u003cli\u003eThe secondary battery should be connected first for automatic system voltage recognition.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display: table-cell; width: 50%; vertical-align: top; padding: 24px; border: 1px solid #d8e4ee; border-left: none; background-color: #f7f9fb;\"\u003e\n      \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eBefore You Buy\u003c\/h2\u003e\n      \u003cul style=\"margin: 0; padding-left: 18px; font-size: 15px; color: #444; line-height: 1.9;\"\u003e\n        \u003cli\u003eVerify your total solar panel power does not exceed 260W (12V system) or 520W (24V system).\u003c\/li\u003e\n        \u003cli\u003eConfirm your solar panel open circuit voltage (Voc) is below 100V.\u003c\/li\u003e\n        \u003cli\u003eEnsure your primary and secondary battery banks are of the same nominal voltage (12V or 24V).\u003c\/li\u003e\n        \u003cli\u003eCheck compatibility of your main battery type (Gel, AGM, Flooded, Lithium) with the controller's settings.\u003c\/li\u003e\n        \u003cli\u003eConsider if an optional remote meter (MT11) or Bluetooth module is required for advanced monitoring and parameter adjustment.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 24px; padding: 18px 24px; background-color: #edf3f8; border: 1px solid #d8e4ee; border-radius: 0 0 4px 4px; text-align: center;\"\u003e\n    \u003cp style=\"margin: 0; font-size: 13px; color: #6a7f8a; font-style: italic;\"\u003ePlease verify all specifications and compatibility requirements before purchase. Product specifications are subject to change by the manufacturer. This product is covered by a 1-year manufacturer warranty.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Solarika.co.uk","offers":[{"title":"Default Title","offer_id":55765031452936,"sku":"DM2024","price":99.99,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/bidnamic.store\/products\/high-efficiency-20a-dual-battery-mppt-solar-charge-controller","provider":"Bidnamic Store","version":"1.0","type":"link"}