Bosch cartel sc 2g1. From what i can gather online it came out around 1994-1996 and was made by Motorola (it uses a microtac battery and charger). Cant test it yet, but
Mobile Phone, Telephone Battery Replacement for Microtac MED585 - 700mAh, 4.8V, NiMH - Electropapa
Motorola MicroTAC and Chance Way Battery Eliminator | Flickr
Microtek Inverter Batteries - Microtek Tubular Batteries Latest Price, Dealers & Retailers in India
Mobilecollectors.net • View topic - Motorola 6 volt battery
Motorola MicroTAC - Wikipedia
Standard battery for MICROTAC II mobile cellular telephone, 1992 | Science Museum Group Collection
Motorola Microtac 550 -- my first cell phone (1994.) It had a "slim" battery with a limited charge time and a heavier… | Motorola microtac, Steve morris, Cell phone