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Common questions
Questions before you buy
What does the BlackboxMyCar PowerCell 8 do?
It stores power while the vehicle is running and supplies a compatible dash cam after the ignition is switched off. This gives parking mode a dedicated power source rather than drawing directly from the starter battery while parked.
How is the PowerCell 8 charged?
BlackboxMyCar supports hardwired charging and charging from a compatible 12-volt vehicle socket. The company states that hardwiring charges the pack more quickly, but installation should be matched to the vehicle and completed safely.
Will the PowerCell 8 work with any dash cam?
Not automatically. BlackboxMyCar lists support for several major dash cam brands, but the required output cable varies by camera and model, so compatibility should be checked before purchase.
Can you monitor the PowerCell 8 from a phone?
Yes. BlackboxMyCar says the pack has built-in Bluetooth and works with the Cellink NEO Plus battery manager app when the phone is within Bluetooth range.
Can the PowerCell 8 capacity be expanded?
BlackboxMyCar's support documentation says the pack can connect to a compatible Cellink NEO Extended battery. It also says two PowerCell 8 units should not be connected directly to each other.










Battery pack
Battery powered
Battery
Rechargeable battery
Battery power
Battery powered no wires
Battery operated