18V Lithium-Ion FatPack Battery (4.0 Ah)
The Bosch WCBAT620 18V Wireless Lithium-Ion 4.0 Ah Battery delivers 100 percent more runtime than the 2.0 Ah wireless battery, which is especially important for power users who are difference makers on the jobsite. Bosch's CoolPack™ technology delivers up to 100 percent more recharge life versus other battery packs, as well. Single-cell monitoring maximizes cell usage and life, and each battery includes an LED indicator that shows state of charge. This battery works in conjunction with the Bosch Wireless Charging System, which allows users to charge their tools when they not in use without having to disconnect the battery from the tool.
- 100 percent more runtime than the 2.0 Ah wireless battery
- CoolPack™ technology delivers 2X recharge life
- Single-cell monitoring maximizes cell usage and life
- LED indicator that shows state of charge
- Battery works in the cold down to -4º F
- Bosch Wireless Charging System charges tools on the go