# FAQ

Which charger is suitable for my battery?

All 12 V batteries are compatible with all Bosch Professional 12 V chargers.

We recommend that professional users combine the charger with a battery that has a charging time of less than one hour.

All charging times can be found in the online operating instructions or on the Bosch Professional website.

What are the charging times for my battery?

The charging time of the battery depends on two factors:

- Battery type and battery capacity
- Charging speed

All charging times can be found in the online operating instructions see Charging times or on the Bosch Professional website.

Can batteries remain in the charger after they have been fully charged?

As soon as the battery is fully charged and the charger indicates this, the charging process is complete.

The battery can remain in the charger; however, storing the battery in the charger for any extended period of time is not recommended.

At what temperatures should a battery be charged, used and stored?

- The permitted ambient temperature during operation and storage is –20 °C to 50 °C.

- The recommended ambient temperature during the charging process is 0 °C to 35 °C.

- To ensure optimal battery service life, it is recommended that you store the battery at between 0 °C and 20 °C.

What battery charge is optimal for a longer service life?

A state of charge of 80% is ideal for a longer service life.

What battery charge is optimal when storing for an extended period of time?

A state of charge of 30–50% is ideal when storing for an extended period of time.