Item Type: Mini Solar Charging Board_x000D_Material: PCB_x000D_Purpose: Lithium battery charging_x000D_Solar Panel Input: DC 4.4-6V_x000D_Maximum Charging Current: 500mA_x000D_Interface: 2-pin JST connector (or PH2.0)_x000D_Product Size: Approx. 40 x 20mm / 1.6 x 0.8in 1Super mini solar lithium battery charger with a lithium battery charge management chip. 2This solar charger enables you to get the maximum possible power from solar panels or other photovoltaic devices. 3Short circuit protection, automatic recharging, continuous charging current up to 500mA, support USB charging (Micro?USB connector) 4With battery status indicator, red means charging, green means fully charged. 5Simple to use, just insert the solar panel into the input terminal of the solar charger, insert the rechargeable lithium battery into the battery input interface, and then start charging.1 x Mini Solar Charging Board