The Charger 12 Click Board™ is a single lithium-ion (Li+) cell or three-cell NiMH/NiCd battery charger. This Click Board™ can be used for Low-Cost Li-Ion battery chargers, or Power Tools, toys, backup energy storage solutions, etc. Charger 12 Click Board™ is based on the MAX1501 controller which has some extra features enabling charging without too much hassle. This Click Board™ board has charge current control which uses the SPI interface through MCP4161 IC, which is an 8-bit digital potentiometer. On the board, there is a Power LED and two extra LED’s which can be used for charging indications.