Features 1、PRODUCT SPECIFICATIONS: Input voltage: DC 5‑6V (DC 5V recommended), charging voltage: 4.5V, charging current: 1A. 2、COMPACT AND LIGHT WEIGHT: Battery charging board module is compact, light weight, easy to install, simple and convenient. 3、HIGH PERFORMANCE: Battery charging module has stable and efficient performance and excellent protection for the battery. 4、DURABLE MATERIAL: NiMH battery charging module is made of premium PCB, the board is strong, durable, wear resistant and suitable for long term use. 5、BATTERY PROTECTION: NiMH battery charging board module supports power battery protection, short circuit protection, safe and stable. Specification Item Type: Battery Charging Board Module Material: PCB Input Voltage: DC 5‑6V (DC 5V Recommended) Charging Voltage: 4.5V Charging Current: 1A Package List 2 x Battery Charging Board Module