Features: Solar controller comes with a big LCD display that can clearly indicate the status and data it can be conveniently switched modes and parameter configuration. Solar panel suitable for solar power system solar street lamp smart home solar box intelligent irrigation camping lantern etc. The solar regulator is only suitable for acid batteries:OPEN AGM not for nickel hydride lithium Liions or other batteries. Short-circuit protection open-circuit protection reverse protection over-load protection more safty for using suitable for home industrial commercial etc. This controller can only use photovoltaic panel as the charging source do not use DC or other power supply as the charging source. Specifications: Batt voltage: /24V auto current: 30A Discharge current: 30A Equalization: B01 14.4V B02 14.2V B03 flood 14. Float : 13.7V(defaul adjustable) Discharge stop: 10.7V(defaul adjustable) Discharge reconnect: 12.(defaul adjustable) USB output: 5V3A Self-consume: <10mA Operating : -35~+60 degree C Weight:150g Size:13.3*7*3.5cm Packing List: 1X 30A Solar Contorller 1X English User Manual