Here we answer questions we are most frequently asked. If you do not find any answer on your question do not hesitate to contact us directly. It is our pleasure to help you. Phone us or use our Contact Form …
Yes, they can be permanently charged since lead acid batteries are used and there is no memory effect in them.
The high-frequency charging unit switches off automatically as soon as the battery is fully charged. If the battery capacity goes down they will be automatically recharged again. (So you have always a fully charged battery jump starter ready for use)
To avoid excessive discharge of batteries we recommend to keep the starter connected to the mains for charging.
Our high-quality batteries withstand about 1000 charging cycles even if they are empty! Of course, partially charged battery withstand even more !
That means, if you charge the battery regularly its life-cycle will be about 8 years !!!
You can do it about 15 times (provided that the electrical device of your car is O.K.!)
Battery booster 2024 SK 12/24V. » Product Description
In the case of such problems, please always send the battery jump starter together with the charging unit to us.
The battery is out of order. (Although it shows 12 Volt it has no capacity/power)
In the majority of such cases, the charging unit is out of order. Please check it out!
Probably, the safety fuses are defective. You can change them yourself. If they are OK it could be the solenoids that are damaged. In this case, please send the device to us!