The BC800NM4 from Telex is a four-bay battery charger for use with the TR-1, TR-700, TR-800, TR-825, and RKP-4 UHF beltpacks. It includes four BP-700NM NiMH batteries and a power cord for use in the US. This is a great item to have for applications that use several beltpacks for long periods and need a readily-available backup.
In the Box
Telex BC800NM4 - 4-Bay Battery Charger and Batteries for TR-1/700/800/825/RKP-4 (US)