BBB Business Review

DSC BD412 System Backup Battery (12 volt 4 amp)


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DSC BD412 System Backup Battery

This 12-volt 4 amp is one of two common replacement backup batteries that fits a wide range of alarm systems from a variety of alarm system manufacturers. Fits most DSC, GE Caddx, Napco, and Ademco systems. 

Battery dimensions:
4" tall x 3.5" wide x 2.75" deep.

Although these batteries are ordered from DSC, DSC is not the mfg. of the battery. DSC does not actually make batteries and has historically simply privately labeled them under their brand. They have since ceased to even private label them anymore.  

Note: For a longer lasting battery that also fits the majority of alarm systems on the market, we recommend the DSC BD712 model. It is only a few dollars more and lasts much longer.


Weight 3.10
Amp Hour Capacity 5
Length 3.5
Width 2.75
Height 4.21
Terminals F1/T1 (0.187" Faston Tab)
Chemistry Sealed Lead Acid AGM
Volts 12


Ask a Question
  • Can I use a 5 amp instead of a 4 amp bat

    As long as the form factor and battery chemistry is the same, yes.