# FAQ

Which charger is suitable for my battery?

All 18 V batteries are compatible with all Bosch Professional 18 V chargers and all 18 V chargers from the AMPShare partners.

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 I adjust the charging speed of the charger?

With the GAL 18V‑160, you can adjust the charging speed to suit your requirements. The GAL 18V‑160 has 3 charging modes, which are optimised for versatile use of rechargeable batteries:

- Standard charging mode with standard charging speed: The standard charging mode is preset ex works see Standard charging mode.
- Power Boost charging mode: Power Boost charging mode can be activated via the MODE button on the charger see Power Boost charging mode.
- Service life charging mode: The service life charging mode can be activated via the MODE button on the charger see Service life charging mode. Predominantly charging in service life charging mode leads to a longer battery service life.

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 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.

Are Bosch Professional batteries compatible with other brands?

All 18 V Bosch Professional batteries are compatible with the following products:

- all products from the Bosch Professional 18 V system
- all products from AMPShare partners

What battery charge is optimal for a longer service life?

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