Battery pack BA 3.7V 3.0Ah XL, the BA 3.7V 3.0Ah XL battery is your power partner for the line lasers GLL 80-33 G and GLL 20-22 G. The ability to charge during use ensures a seamless workflow without power interruptions. Thanks to lithium-ion technology, you can rely on long-lasting battery performance that allows you to work longer and more efficiently. This battery has been specifically designed for the line lasers GLL 80-33 G and GLL 20-22 G. Its secure locking mechanism with a metal hinge ensures a perfect fit in the tool and a reliable and durable power supply for your work. The BA 3.7V 3.0Ah XL battery features a USB-C type connection for flexible charging options with various 5V power supplies. This means you can charge it anytime and anywhere, keeping your tools always ready for use.