Charging Battery

- Disconnect batteries in car and charge separately.

NOTE: Mutual charging must be avoided as batteries reach their gassing voltage at different times.

Only chargers with the following properties are suitable for charging a battery in the car with connected power supply.

- Current limitation for strongly discharged batteries (regeneration of slightly predamaged batteries)
- Switchover or shutoff after reaching 14.4 V gassing voltage.
- Direct current voltage with harmonic wave less than 1 V.

Sample Chargers:
- Siemens/Gossen VB 801
- Gossen CG 32




Voltage/Induction Charging Curve Shows:
1. Charging with minimum current up to gassing limit voltage of 14.2 V, whereby charging in range of about 13.2 to 14.2 V could last relatively long, because in this limit range charging is with very low current.
2. Charging of strongly discharged batteries with an initial current of approx. 2 A up to a terminal voltage of approx. 7 V, at which maximum charging current cuts in.

Battery chargers without these properties lead to damage in the car. The battery must be disconnected from the car power supply system when using any other chargers. Take battery out of the car when charging with non-regulated chargers.