{"product_id":"high-efficiency-20a-mppt-solar-charge-controller-for-solar-panels-up-to-260w-12v-520w-24v-up-to-100v","title":"High efficiency 20A MPPT solar charge controller for solar panels up to 260W (12V) \/ 520W (24V) up to 100V","description":"\u003c!-- eBay Listing: Photonic Universe PTR2210AN 20A 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  ▶  MPPT 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 MPPT Solar Charge Controller\u003c\/h1\u003e\n    \u003cp style=\"margin: 12px 0 0; font-size: 15px; color: #a8c4d8; font-style: italic;\"\u003eModel PTR2210AN  |  Max 100V PV Input  |  12V\/24V Auto\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 PTR2210AN is a high-efficiency 20A MPPT solar charge controller designed to optimise power harvest from your solar panels. Utilising advanced Maximum Power Point Tracking (MPPT) technology, it intelligently adjusts to varying sunlight and temperature conditions, ensuring your solar system operates at peak efficiency, outperforming traditional PWM controllers.\u003c\/p\u003e\n    \u003cp style=\"margin: 0; font-size: 16px; color: #333;\"\u003eThis controller supports solar panel input voltages up to 100V, making it versatile for various solar panel configurations. It can handle up to 260W for 12V battery systems or 520W for 24V battery systems, making it ideal for both domestic and off-grid applications in the UK.\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;\"\u003eOPTIMAL EFFICIENCY:\u003c\/strong\u003e Advanced MPPT technology ensures over 95% system efficiency for maximum energy yield.\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\u003eAdvanced MPPT Technology\u003c\/strong\u003e — Maximises solar panel power output with \u0026gt;95% system 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 Detection\u003c\/strong\u003e — Automatically recognises battery voltage for seamless integration.\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 — Supports solar panel voltages up to 100V, enhancing system flexibility.\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\u003eComprehensive Protection\u003c\/strong\u003e — Built-in safeguards against overcharge, deep discharge, and short circuits.\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 \u0026amp; Buttons\u003c\/strong\u003e — Real-time monitoring of charging parameters and easy battery type selection.\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\u003eLithium Battery Compatibility\u003c\/strong\u003e — Supports lithium batteries via PC software or mobile app configuration.\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\u003eExpandable Monitoring\u003c\/strong\u003e — RS485 port for remote meter, Wi-Fi module, or PC connection.\u003c\/td\u003e\u003c\/tr\u003e\n          \u003ctr\u003e\u003ctd style=\"padding: 9px 0; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eCurrent Limiting Function\u003c\/strong\u003e — Allows for future expansion of solar panel capacity up to 20A.\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;\"\u003eSystem Voltage\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003e12V \/ 24V Auto\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; text-align: right; font-size: 15px; color: #333;\"\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 Input Voltage\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-size: 15px; color: #333;\"\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; text-align: right; font-size: 15px; color: #333;\"\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; text-align: right; font-size: 15px; color: #333;\"\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; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003e\u0026gt;99.5%\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;\"\u003eConversion Efficiency\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003e\u0026gt;95%\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;\"\u003eSelf-Consumption\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003e\u0026lt;12mA\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; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eRS485 \/ RJ45\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; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003eNegative Common\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;\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003e-25°C to +50°C\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;\"\u003eDimensions (L x W x H)\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003e22 x 15.4 x 5.2 cm\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;\"\u003eWeight\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; text-align: right; font-size: 15px; color: #333;\"\u003e\u003cstrong\u003e0.94 kg\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;\"\u003e\n      \u003cp style=\"margin: 0 0 16px; font-size: 16px; color: #333;\"\u003eThe Photonic Universe PTR2210AN controller offers flexible charging options and broad battery compatibility, ensuring optimal performance and longevity for your energy storage system.\u003c\/p\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 16px;\"\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\u003eBattery Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eSupports Sealed, Gel, and Flooded lead-acid batteries directly via LCD.\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\u003eLithium Battery Support\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eCompatible with lithium batteries when a specific charging program is selected using PC software or mobile app.\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\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 for automatic charging parameter adjustment. External sensor port available for enhanced accuracy (not enabled for lithium).\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\u003eProgrammable Parameters\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333;\"\u003eAdvanced users can adjust battery capacity, charging voltages, stage durations, and create user-defined battery types via PC software or mobile app.\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;\"\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\u003eOff-Grid Solar Systems\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003eIdeal for cabins, sheds, and remote properties requiring reliable 12V or 24V power.\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\u003eMotorhomes \u0026amp; Caravans\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 from roof-mounted solar panels, even with higher voltage panels.\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\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;\"\u003eMaintains onboard battery banks for navigation, lighting, and appliances.\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\u003eSmall Commercial Installations\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 9px 12px; font-size: 15px; color: #333;\"\u003eSuitable for powering remote monitoring stations, security cameras, or lighting systems.\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 PTR2210AN is equipped with a comprehensive suite of electronic protection features to ensure the safety and longevity of your solar system. These include protection against reverse current at night (from battery to solar panel)  •  automatic cut-off for over-charging  •  deep discharge prevention  •  solar panel overvoltage  •  overload  •  short circuit  •  and reverse polarity. The controller also features self-diagnostic capabilities with advanced fault-targeting technology to highlight system errors.\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?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eMPPT (Maximum Power Point Tracking) technology allows the charge controller to find the optimal voltage and current at which solar panels produce maximum power. This results in significantly higher energy harvest compared to traditional PWM controllers, especially in varying weather conditions or when panel voltage is higher than battery voltage.\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 lithium batteries?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eYes, the PTR2210AN is compatible with lithium batteries. To enable lithium battery charging, you will need to select the appropriate charging program using the PC software or mobile app, which connects via the RS485\/RJ45 port.\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 power I can connect?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eFor a 12V battery system, the maximum recommended solar panel power is 260W. For a 24V battery system, it is 520W. The controller has a 20A current limiting function, allowing for some flexibility in panel sizing.\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 do I monitor and adjust settings?\u003c\/p\u003e\n        \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThe controller features a built-in LCD screen for real-time parameters. For advanced monitoring and programming, it can connect to a remote meter (MT50), a Wi-Fi module for mobile app access, or directly to a PC\/laptop via an RJ45 to USB cable using the free Solar Station Monitor software.\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\u003eAlways connect the battery to the charge controller first before connecting the solar panels.\u003c\/li\u003e\n        \u003cli\u003eEnsure correct polarity for all connections (solar panel, battery, and load) to prevent damage.\u003c\/li\u003e\n        \u003cli\u003eMount the controller in a well-ventilated area, away from direct sunlight and heat sources, to ensure optimal performance and heat dissipation.\u003c\/li\u003e\n        \u003cli\u003eUse appropriate cable gauges for your solar panels and battery bank to minimise voltage drop and ensure safety.\u003c\/li\u003e\n        \u003cli\u003eRefer to the detailed user manual for specific 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 battery system voltage (12V or 24V) and ensure it matches the controller's auto-detection capabilities.\u003c\/li\u003e\n        \u003cli\u003eConfirm your total solar panel power does not exceed 260W (for 12V systems) or 520W (for 24V systems).\u003c\/li\u003e\n        \u003cli\u003eCheck that your solar panel's open-circuit voltage (Voc) does not exceed 100V, especially in cold temperatures.\u003c\/li\u003e\n        \u003cli\u003eConsider if you require advanced monitoring or lithium battery support, as these features require additional accessories (remote meter, Wi-Fi module, or PC cable) and software configuration.\u003c\/li\u003e\n        \u003cli\u003eEnsure you have adequate space for mounting the controller and access for wiring.\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 typically supplied 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":55779051241736,"sku":"PTR2210AN","price":79.99,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/bidnamic.store\/products\/high-efficiency-20a-mppt-solar-charge-controller-for-solar-panels-up-to-260w-12v-520w-24v-up-to-100v","provider":"Bidnamic Store","version":"1.0","type":"link"}