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HOW TO

HIBERNATING THE BATTERY - HERE’S HOW TO DO IT!

 

Do you have a convertible and are putting it away for the winter? 

We give you valuable tips for hibernating the vehicle and battery in the best possible way.

Accucharger 3A

If the battery is not being used or is shut down for a longer period of time (shutdown or hibernation time), in principal you have several possibilities to optimally hibernate your starter battery. This depends on whether the area where you are hibernating your vehicle has a power connection or the possibilities of your charger.

 

1. Parking space without electricity

If the parking space does not have a power supply, remove the battery and store it in a dry/cool (frost-free) place. Before storage, fully charge the battery and recharge it at the latest at an open-circuit voltage of 12.5V or leave it connected to the charger with charge retention. Please use voltage-controlled chargers (e.g. Banner Accucharger) with automatic switching to charge retention. Depending on the battery capacity, you can use the following chargers:

 

2. You have a parking space with electricity – so what now?
Should the battery be removed for recharging to avoid damage to the vehicle? Please pay attention to the type of charger. Valuable tips on charging the vehicle can be found in most of the operating instructions issued by the vehicle manufacturer or the charger manufacturer.

As a general rule, fully automatic chargers (charging voltage limitation with 14.8V) are well suited for charging the battery installed in a vehicle. In this case, connect the battery in the convertible to a battery charger (e. g. Banner Accucharger). 

 

In general, we also recommend the battery tester so that you can periodically check the battery voltage. BBT DBA - Digital Battery Analyser.

If your charger has an automatic mode with voltages >14.8V, the battery must be disconnected from the on-board electronics or removed from the vehicle altogether. In the worst case, the installed control units could be destroyed by overvoltage, the resulting damage would be enormous! Please pay attention to the type of charger. Valuable tips on charging the vehicle can be found in most of the operating instructions issued by the vehicle manufacturer or the charger manufacturer! All values quoted refer to a room temperature of +25°C. Caution: Temperature compensation in case of deviation.

Thumbnail Überwintern
Banner HOW TO: Correctly hibernate your car battery with the Banner Accucharger 3A

Correctly hibernate your car battery with the Banner Accucharger 3A

  • Connect the red clamp to the positive terminal and black clamp to the earth terminal*.

    • This is particularly important in modern vehicles due to the battery sensor, as otherwise the sensor cannot recognise the charging current correctly and may generate an error message.
    • *The recommendation was already made earlier, at that time due to the formation of sparks when coming into contact. (Earth = metallic smooth point away from the battery).

     

  • Connect the Accucharger to the 230V socket.

    • Do not switch on the charger until the battery has been connected.
    • We recommend a charging current of one tenth of the capacity (e.g. 44Ah: 10 = 4.4 A charging current).
    • For automatic chargers, such as the Banner Accucharger, this is set automatically.
  • Charging starts automatically

    • Display of battery charge in percent.
    • When the battery charge is at 100%, the battery automatically switches to charge retention mode.
    • The charger can remain connected during the winter months
  • Unplug and disconnect the Accucharger in spring

    • The battery is fully charged when the current drops to 0 or no longer decreases or the automatic charger switches off itself.
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