What is a jump starter and why is it needed in a car
Compact battery-operated start-up devices of the new generation appeared on our market recently. The main feature of the devices is that they are made on the basis of lithium-ion-polymer یا lithium-iron-phosphate batteries. And, without occupying space in the car, they can help the driver in a critical situation.

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Such power supplies have a rather high capacity with very moderate dimensions. Manufacturers call this category of standalone devices in different ways: one - external batteries, others - jump starters, and others -...