Features 1、PRACTICAL AND EFFICIENT: The maximum power tracking rate is more than 99%, the maximum conversion rate is 98% 2、12V 24V BATTERY SUPPORT: Negative grounding design controller is safer, controller compatible with a variety of batteries(acid and lithium batteries, customized); Sealed, Gel, Flooded, and LI (LFP) Preset battery charging parameters. The charging parameters of other batteries can be customized according to your needs 3、MULTIPLE PROTECTION: Prevent overcharge, overdischarge, overload, short circuit, reverse electrode, overheating and battery use under voltage 4、LCD DISPLAY: Clearly view operation data and working status, real time energy statistics function, with a variety of load control modes, MPPT solar charging controller display daily power generation curve and current curve 5、LOW NOISE WITH BACKLIGHT: The heat dissipation mode adopts dense tooth aluminum sheet without noise heat dissipation, display mode is backlight LCD color screen Specification Item Type: MPPT Charge Controller Operating Current: 30A Tracking Efficiency: >99% Maximum PV Input Power: 390W (12V); 780W (24V) Heat Dissipation Mode: Close tooth aluminum sheet without noise heat dissipation Display Mode: Backlit LCD color screen Package List 1 x MPPT Charge Controller 1 x User Manual