Dogtra 28AAAM4SMX battery 40AAAM4SMX animal collar control.
Replacement 28AAAM4SMX and 40AAAM4SMX battery pack, rechargeable dog control batteries for many Dogtra and DT SYSTEMS collars.

Rechargeable 4.8v NI-MH batteries for many Dog collar control transmitters and receivers, 300mAh batteries used in training and control of animals where required, charge your new battery fully when you receive it and if not using on a regular basis every six-weeks to keep the cells fresh.

This compatible battery pack will replace the following battery serial codes used in both Dogtra and DT SYSTEMS dog collars
28AAAM4SMX, 40AAAM4SMX, BP-RR, DC-1.

This 4.8v battery will for the following transmitters and receivers
Dogtra
1100NC
1100NCC
1200NC
1200NCP
1202NC
1202NCP
1400NCP
1500NCP
1600NCP
1700NCP
175NCP
1800NC
1802NC
1803NC
1804NC
180NCP
2000 beeper & training
2000B
2000NC
2000NCP
2000T
2002 beeper & training
2002B
2002NC
2002NCP
2002T
200NCP gold
202NCP gold
210NCP
2200NCP
BP-12
BP-12RT
Pheasant Launcher PL.

DT SYSTEMS
BTB, EDT, EZT, H20, RH,ST.

Battery Type: Ni-MH
Voltage = 4.8v
Battery Capacity: 300mAh
The physical size of this 28AAAM4SMX and 40AAAM4SMX battery pack is as follows:
58.24mm long
20.59mm wide
10.63mm high.