Battery Upgrade
18650 Rechargeable Lithium-Ion
High Capacity Lithium-Ion Power
Compatible with all Vaultek® Safes
EXTENDED OPERATION TIME
Upgrade your safe’s stock lithium-ion battery to a higher capacity 3350 mAh for increased operation time.
EASY TO INSTALL
Vaultek safes auto detect the battery polarity so you can install the battery in either direction.
LESS CHARGING, MORE POWER
Vaultek® External Powerpack