Synergy Digital Barcode Scanner Battery, Compatible with Datalogic RBP-GM40 Barcode Scanner, (Li-ion, 3.7V, 3400mAh) Ultra High Capacity, Replacement for Datalogic RBP-4000 Battery
Specifications: Battery Chemistry: Li-ion Voltage: 3.7V Capacity: 3400mAh Compatible with: Datalogic RBP-4000 Battery Works for: Datalogic RBP-GM40 Barcode Scanner and many more