Y&H 40A 12V/24V MPPT Solar Charge Controller Large LCD Display Lithium Battery Activation,USB Output,Solar Panel Regulators for Sealed GEL Flood LiFePO4

【Maximize Solar Energy Utilization】Adopting advanced MPPT maximum power tracking technology, the tracking efficiency is as high as 99.6%, equipped with 32-bit high performance chip to achieve up to 97% energy conversion efficiency, faster charging, and reduce energy waste. 【Adjustable Parameters】 Equipped with large screen display, the system status can be seen at a glance, and the charging and discharging logs can be queried. Supports manual setting of battery charging and discharging parameters, flexible adjustment to meet the needs of different batteries and optimize charging management. 【All-round protection】 - With under-voltage protection, over-charging protection, overload short-circuit protection, anti-reverse discharge protection, as well as solar panels and batteries reverse connection protection, multiple safety protection, to ensure stable operation of the system, to extend the service life of the equipment. 【Lithium Battery Activation】 - Applicable to Sealed GEL Flood lithium batteries, support lithium battery 0 voltage start function, wake up over-discharged batteries to work again. 【MPPT = more efficient + save money】Charging efficiency is 10%-30% higher than PWM, use less panels to get the same power generation, reduce current loss, available finer cables, reduce wiring costs. Adapt to light changes, cloudy days can also be efficient charging, to ensure stable power generation, enhance system revenue