Bosch 12V Max Lithium-Ion 3.0 Ah Battery is the most compact 3.0 Ah battery in its class, ing the same size as a 2.0 Ah battery but delivering up to 50% more runtime. Designed to provide extended power, this 12 V Max battery is fully compatible with all Bosch 12 V Max Lithium-ion tools, making it a versatile and efficient choice for your power needs. Model Number: GBA12V30