Features DURABLE BOARD: Made of PCB board, the power board is strong, durable and wear resistant, suitable for long term use STABLE AND PROTECTIVE: This charger board is well made, stable and efficient performance, and has excellent battery protection COMPACT AND LIGHTWEIGHT: Come with compact size, light weight, easy to install, can be completed quickly APPLICABLE BATTERY TYPE: The small size battery charging plate is widely compatible with nickel hydrogen and nickel cadmium batteries, very practical 10PCS IN TOTAL: The package contain a total of 10pcs battery charging module board, enough for you to replace and use, very convenient Specification: Item Type: Battery Charging Module Board Material: PCB Color: Black Input Voltage: DC 4.5V-5.5V (DC 5V is recommended) Charging Voltage: About 10.8V-13.6V Charging Current: About 190mA-210mA Ambient Temperature: -40℃ ~ +85℃ Storage Temperature: -65℃ ~ +125℃ Package List:10 x Battery Charging Module Board Package List 10 x Battery Charging Module Board