Bosch 1608M00C1B PRO 12v Battery Adapter AA1

The Bosch AA1 battery adapter allows you to easily switch between 4 x AA alkaline batteries and a 12 V battery for flexible work. If your rechargeable 12v battery runs out of charge and you need to continue working, you simply insert 4x AA alkaline batteries into this adapter and plug it into your tool, allowing you to continue working while your 12 V battery charges.Compatible with selected Measuring Tools that use the 10.8 V and 12 V power system.