- Small coin cells sized to fit low drain devices like glucose monitors, blood pressure cuffs, and watches
- 10 Year Shelf Life makes back-ups act like they're fresh out of the box
- Lithium chemistry provides 3 volts of power that will power your devices for the long term
- Fits - VENOM,FASTFIRE 3,HOLOSUN 507C,407C,507K,407K,508T,509T
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