Product Info Catalog Safety Equipment Two Way Radios Lithium Ion Battery for RM Series Two-Way Radios Lithium Ion Battery for RM Series Two-Way Radios Request a Quote UPC: 748091000324 SKU: 188128 Model Number: PMNN4434 Motorola li-ion battery, for Motorola rm series 2 way radios, #rmu2040, #rmu2080d, #rmu2080 & #rmv2080, provides up to 15 hours service, 2150 mah. Lithium Ion Battery 15 hours For RM Series Radios RMU2040, RMU2080, RMU280d and RMV2080