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CARKU E-Power 21

Photos - Charger & Jump Starter CARKU E-Power 21
Photos 8
Outdated Product
Device: booster; Battery voltage: 12 В; Nom. starting power (A): 300; Built-in battery capacity (mAh): 18000; USB-A: USB-A (fast charge): USB-C: Built-in cigarette lighter; Power source: 12/230 В; Size (mm): 230x27x87; Weight (kg): 0.67;
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CARKU E-Power 21
Main
Devicebooster
Specs
Battery voltage12 В
Rated starting power300 А
Peak output current600 А
Built-in battery capacity18000 mAh
Featuresovercharge protection
Charging gadgets (outputs)
DC connector for gadgets
General
Built-in cigarette lighter / through an adapter /
Built-in flashlight
Power source12/230 В
Size230x27x87 mm
Weight0.67 kg
Added to E-CatalogNovember 2015
Adapter cable with eight types of adapters for laptops. Tri-mode flashlight. Adapter for cigarette lighter socket. Bag-case for storage and carrying.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog CARKU 2026 - new arrivals, bestsellers, and the most relevant models CARKU.
How to choose a jump starters for a carCriteria for choosing a car booster for quick engine start and home convenience

The universal fieldberry CARKU E-Power 21 performs a whole range of important tasks. Firstly, the device ensures engine start-up with a completely discharged battery, and secondly, it can be used as an external battery, charging mobile gadgets "on the go" throughout the day.

Energy Reserves

The exterior design of the model shows clear similarities with the Powerbank lineup. However, it is larger than traditional chargers—attributed to the solid capacity of the built-in battery (18000 mAh) and the ability to deliver a peak starting current of up to 600 A. The booster can easily start a 6-liter gasoline engine or a 3-liter diesel unit.

Jack of All Trades

The secondary roles of the starting device include charging mobile devices (through one of the USB ports), supporting the operation of laptops, and providing power to various automotive gadgets through a connectable cigarette lighter socket (cable with the corresponding connector tip). To replenish its own energy reserves, the model takes about 6-7 hours of "pure" time at the outlet.

Armament

Like most of its peers, the booster is equipped with a bright built-in flashlight, protection systems against electrical faults, and high-quality alligator-type clamps. Waiting for the moment to use the jump starter, the model is stored in a case bag. Reviews of the starter highlight the possibility of battery swelling, and many are not happy with the device's high price. Nevertheless, every penny spent is well compensated, assisting car owners directly and indirectly all year round.