Charger 12 Click Mikroe Charger 12 Click is a single lithium-ion (Li+) cell or three-cell NiMH/NiCd battery charger. The Mikroe Charger 12 is used for Low-Cost Li-Ion battery chargers, Power Tools, toys, backup energy storage solutions, and more. The click uses the MAX1501 controller with extra features enabling hassle-free charging. Charging current control uses the SPI interface through the 8-bit digital potentiometer MCP4161 IC. There is a Power LED and two extra LEDs on the board used for charging indications.