The high charge current of 8 amps and process-controlled charge management make for short charge times The Fein 92604321010 Starter Set features two powerful batteries with cells capable of handling high currents and the ALG80 rapid charger. This battery features a charge status indicator and FEIN SafetyCell technology, and enjoys a continually high power output with a 75% higher current rating than a regular Li-ion battery. This battery is recommended for use with FEIN cordless magnetic core drills and cordless angle grinders. It can be used compatibly with all FEIN 18 V cordless tools. The charger helps get your batteries and tools ready to use again in no time. Thanks to the high charging current of 8A and Fein\'s rapidcharging process, the batteries are charged in half the time whencompared to the older ALG50. The battery is charged rapidly up to an 80% charge. For an enhanced battery life, the final stage of the chargingprocess is completed gently at a reduced charging current. The large LEDdisplay allows you to see the battery charge level at all times. The front of the charger also features a high-speed USB port with a charging current of up to 2A, Suitable for various smartphones and tablets. Features: The battery is charged rapidly up to an 80% charge This battery features a charge status indicator and FEIN SafetyCell technology The front of the charger also features a high-speed USB port Comes with: 2 x 5.2Ah Batteries 1 x ALG80 Charger Specification: Current/voltage: 18 V Capacity: 5.2 Ah Charging Times: 18V/3.0Ah battery: 26 min (80% of max. capacity) 18V/5.2Ah battery: 33 min (80% of max. capacity) 18V/6.0Ah battery: 38 min (80% of max. capacity)