20V Spare battery pack 4000mAh
Model: V20B4000
Overload protection
Bast-in-class construction
Fuel gauge onboard
Power indicator
DC insert
Battery Type: Power Li-ion #18650
Cell qty: 5X2
Rated Voltage:20 V
Rated Capacity: 4000 mAh
PCB included: Yes
With fuel indicator: Yes, LED