{"product_id":"high-efficiency-30a-dual-battery-mppt-dual-battery-charging","title":"High efficiency 30A dual battery MPPT Dual Battery Charging","description":"\u003c!-- eBay Listing: PhotonicUniverse DM3024 30A 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;\"\u003ePHOTONICUNIVERSE DUAL BATTERY 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;\"\u003e30A 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 Charging  |  12V\/24V Auto  |  Up to 780W Solar 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 PhotonicUniverse DM3024 is a high-efficiency 30A dual battery MPPT solar charge controller designed for robust solar power systems. This advanced controller efficiently manages solar input for two independent battery banks, making it ideal for applications requiring dedicated charging for both a primary and a secondary battery.\u003c\/p\u003e\n    \u003cp style=\"margin: 0; font-size: 16px; color: #333;\"\u003eUtilising Maximum Power Point Tracking (MPPT) technology, the DM3024 optimises solar panel output, delivering superior charging performance compared to traditional PWM controllers. It supports solar panel arrays up to 390W for 12V battery systems or 780W for 24V systems, with a maximum solar input voltage of 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;\"\u003eSYSTEM VOLTAGE NOTE:\u003c\/strong\u003e Both connected battery banks must have the same rated voltage (12V or 24V).\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\u003eDual Battery Charging\u003c\/strong\u003e — Charges two independent battery banks simultaneously.\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\u003eMPPT Technology\u003c\/strong\u003e — Ensures maximum power extraction from solar panels for higher 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\u003eAuto 12V\/24V System\u003c\/strong\u003e — Automatically detects and adapts to 12V or 24V battery systems.\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\u003eLCD Display\u003c\/strong\u003e — Provides real-time monitoring of charging parameters and system status.\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\u003eIP33 Water Resistance\u003c\/strong\u003e — Offers protection against water sprays at up to 60 degrees from vertical.\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\u003eBattery Type Compatibility\u003c\/strong\u003e — Supports Gel, AGM, Lead-Acid 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\u003eCurrent Limiting Function\u003c\/strong\u003e — Allows for future expansion of solar panel capacity up to 30A.\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\u003eLow Power Mode\u003c\/strong\u003e — Reduces standby consumption when no solar power is available.\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eRemote Sensor Support\u003c\/strong\u003e — Includes a socket for an optional remote temperature sensor for optimised charging.\u003c\/td\u003e\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\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;\"\u003eRated Charge Current\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e30A\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;\"\u003eSystem Voltage\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e12V \/ 24V Auto\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 (12V)\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e390W\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 (24V)\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e780W\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; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e100V\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;\"\u003eSecondary Battery Charge Current\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003eUp to 1A (Trickle)\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;\"\u003eEfficiency\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e\u0026gt;95%\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;\"\u003eSelf-Consumption\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e\u0026lt;26mA\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;\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e-30°C to +80°C\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;\"\u003eIngress Protection (IP) Rating\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003eIP33\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; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003eRS485\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; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003eNegative Common Ground\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; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e243.7 x 158 x 63 mm\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; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e1.4 kg\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;\"\u003eMounting Dimensions\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; text-align: right; font-weight: bold; font-size: 15px; color: #333;\"\u003e180 x 156 mm\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 PhotonicUniverse DM3024 is engineered for intelligent dual battery management. It prioritises the main battery, delivering the majority of the solar power for high-current charging. Simultaneously, a secondary battery receives a trickle charge of up to 1A, ensuring it remains topped up and ready for use without overcharging.\u003c\/p\u003e\n      \u003cp style=\"margin: 0 0 16px; font-size: 16px; color: #333;\"\u003eThis controller offers broad compatibility for the main battery, supporting common types such as Gel, AGM, Lead-Acid Flooded, and Lithium (LiFePO4 or Li-NiCoMn) batteries. The system automatically recognises 12V or 24V battery configurations. For optimal performance and safety, it is crucial that both connected battery banks operate at the same nominal voltage.\u003c\/p\u003e\n      \u003cp style=\"margin: 0; font-size: 16px; color: #333;\"\u003eAn optional remote temperature sensor can be connected directly to the battery to provide precise temperature data, allowing the controller to optimise charging for lead-acid batteries and implement low-temperature protection for lithium batteries.\u003c\/p\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; width: 30%;\"\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 both leisure and engine batteries from a single solar array.\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 Systems\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eMaintains charge on service batteries while trickle charging starter batteries.\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\/Sheds\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 primary loads and a separate backup or auxiliary power source.\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;\"\u003eAny vehicle requiring independent charging for two battery banks, such as emergency vehicles or mobile workshops.\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 PhotonicUniverse DM3024 is equipped with a comprehensive suite of electronic protection features to ensure system safety and longevity. These include protection against reverse current at night  •  over-charging  •  short circuit  •  reverse polarity  •  over-discharge  •  over-voltage  •  and battery under-voltage. Its robust design and IP33 rating provide additional resilience against environmental factors.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 24px; padding: 24px; border: 1px solid #d8e4ee; 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;\"\u003eCompatibility \u0026amp; Cross Reference\u003c\/h2\u003e\n    \u003cp style=\"margin: 0; font-size: 15px; color: #333;\"\u003eThis PhotonicUniverse DM3024 charge controller is compatible with the optional MT11 remote meter. The MT11 provides an external LCD screen for displaying system performance information and allows users to manually adjust parameters and load settings from a convenient remote location.\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 is MPPT technology and why is it important?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eMPPT (Maximum Power Point Tracking) technology optimises the voltage and current from your solar panels to extract the maximum available power. This results in higher charging efficiency, especially in varying weather conditions, outperforming traditional PWM controllers.\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 different battery types for the main and secondary batteries?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThe DM3024 supports various battery types (Gel, AGM, Lead-Acid Flooded, Lithium) for the main battery. While the controller manages charging for two batteries, both battery banks must operate at the same nominal voltage (12V or 24V). It is generally recommended to use similar battery chemistries for optimal performance and longevity across both banks.\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 purpose of the remote temperature sensor?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThe remote temperature sensor (optional, not included) allows the controller to measure the battery temperature more precisely. This data is used to automatically compensate charging parameters for lead-acid batteries, preventing over or under-charging due to temperature fluctuations, and provides crucial low-temperature protection for lithium batteries.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"margin-bottom: 0; padding-bottom: 0;\"\u003e\n        \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eHow does the current limiting function work?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThe 30A current limiting function means the controller will not allow more than 30 amps to flow into the batteries, even if your solar array could theoretically produce more. This protects the batteries and the controller. It also provides flexibility, allowing you to connect a larger solar array than strictly needed for 30A, which can be beneficial on cloudy days or for future expansion.\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 correct polarity for all connections (solar panels, Battery 1, Battery 2) to prevent damage.\u003c\/li\u003e\n        \u003cli\u003eConnect the secondary battery before the primary battery for automatic system voltage recognition.\u003c\/li\u003e\n        \u003cli\u003eUse appropriate cable gauges (up to 16mm²) for all connections to minimise voltage drop and ensure safety.\u003c\/li\u003e\n        \u003cli\u003eMount the controller in a well-ventilated area, away from direct sunlight and heat sources.\u003c\/li\u003e\n        \u003cli\u003eRefer to the detailed user manual for comprehensive wiring diagrams and operational instructions.\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 wattage does not exceed 390W (12V system) or 780W (24V system).\u003c\/li\u003e\n        \u003cli\u003eConfirm your solar panel open circuit voltage (Voc) is below 100V.\u003c\/li\u003e\n        \u003cli\u003eEnsure both your primary and secondary battery banks are of the same nominal voltage (12V or 24V).\u003c\/li\u003e\n        \u003cli\u003eCheck the required battery types for compatibility with the main battery charging profile.\u003c\/li\u003e\n        \u003cli\u003eConsider if a remote meter (e.g., MT11) or remote temperature sensor would enhance your system monitoring.\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. This product comes with 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":55781622120712,"sku":"DM3024","price":119.99,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/bidnamic.store\/products\/high-efficiency-30a-dual-battery-mppt-dual-battery-charging","provider":"Bidnamic Store","version":"1.0","type":"link"}