Exell Remote Control Battery 3.7V 1050mAh Li-Ion Fits Universal MX-810, MX-810i, MX-880, MX-950, MX-980 Replaces Universal BATTMX880, NC0910, UT-BATTMX880 Voltage: 3.7, Amperage: 1050mAh, Chemistry: Li-Ion Length: 2.090, Width: 1.380, Height: 0.270 Exell Battery Remote / Car Alarm / Lantern