Brother PA-BT-008 Li-ion BatteryThe Brother PA BT 008 Li ion Battery is a dependable, rechargeable power source designed for select 2" RJ mobile printers. This standard Li ion battery delivers reliable energy to keep your RJ 2035B and RJ 2055WB printers ready for on the go labeling, receipts, and rapid mobile printing tasks. With lithium ion chemistry that supports efficient charging and a compact form factor, the PA BT 008 slides seamlessly into the printers battery compartment,