This is a NiCad replacement battery for Maglite flashlights. It is 6V, and has a capacity of 2200 mAh.
It can replace batteries for the flashlight models: Streamlight SL20, SL20S, SL20X, MagCharger, and Streamlight Mini Stinger.
It is able to be a replacement for the following battery models:
Streamlight 20170
20X1701
40070149
41B038AF00101
9032
ARXX075
GATES
41B038AF00101
GE
40070149
MA5
ML500
ML5000
N38AF001A
RX1019