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Visonic PowerMax/PowerMaster Lithium Sounder Battery for MCS-740, SR-720 and SR-740 – Pack of 2

Model Number: K-305177Categories: Visonic

The Visonic Lithium Battery is an extremely energy dense battery that comes in a twin pack.  It offers long lasting operation, making it particularly suitable for use in intruder alarm external sounders.

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When used in Visonic intruder alarm sounders it will provide consistent performance and reliability.

This single use 3.6 volt battery has a capacity of 3500mAh and is leak resistant.  Lithium has a longer discharge curve than most alkaline batteries, meaning that the K-305177 can retain its charge for up to ten years for longer shelf life and home storage.  It is environmentally friendly and contains no mercury, cadmium or lead.


  • 3.6v
  • Lithium
  • Compatible with: MCS-740, SR-720, SR-740 and SR-740 HEX
  • Dimensions: H 50mm x W 36mm x D 19mm


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