Features Safer Charging: Ensuring stable charging, the battery charge module also enables good protection for the battery, efficient and reliable. Great in Match: Perfectly compatible with both NiMH and NiCd batteries, this battery charger board requires DC 4.5V‑5.5V input voltage. 10Pcs in Total: There are 10pcs 6S battery boost charging board in the set, and the large quantity will surely satisfy your working needs. Premium PCB: Made from premium PCB board that has been through exquisite workmanship, the battery step up charge board suits for long use. Easy to Install: Comes with a compact size and a light weight, the installation is very convenient and can be quickly finished in minutes. Specification: Item Type: Battery Charger Module Material: PCB Color: Black Input Voltage: DC 4.5V-5.5V, DC 5V is recommended. Charging Voltage: About 8.1V-10.2V. Charging Vurrent: About 230mA-240mA.  Package List:10 x Battery Charger Module Package List 10 x Battery Charger Module