The Bosch GXS12V-01N12 Starter Kit features the BAT414 12V Max Lithium-ion 2.0 Ah battery and the GAL12V-20 12V Max Lithium-ion Charger. The set allows users to build a custom 12V Max combo kit or expand a current system. The BAT414 battery is a light, and it delivers up to 50% more runtime than the 12V Max 1.3 Ah battery. The Bosch GAL12V-20 Lithium-ion 12V Max charger gets the user power ready in a hurry. The charger can fully charge a spent BAT414 battery in approximately one hour. It is engineered with regulated 80/20 dual-mode charging, and it features a battery-status indicator. The charger and battery are compatible with Bosch 12V Max tools.