Retevis RT81 replacement battery is a rechargeable Li-ion walkie talkie battery rated 7.4 V and 2200 mAh. A full charge supports extended operation, around 12 hours or more depending on use, after about 3-4 hours of charging.
Compact at 1.83 ounces, it packs easily as a backup for hunting, camping and hiking. Fits TYT MD-390, MD-UV390 and Retevis RT8, RT81, RT81V and RT50 two-way radios.
RT81 Battery Features
2200mAh Li-ion cell
Holds enough charge for a full day of typical handheld use.
Wide RT81-series fit
Snaps into RT81, RT81V, RT50, RT8 and TYT MD-390 / MD-UV390.
Light backup weight
Carries at 1.83 ounces for packs, belts and go-kits.
