Visonic 09912K Battery upgrade works in Visonic MCS710, MCS720 and MCS730 wireless door sirens. This 3.6 Volt Battery has 13,000 mAh of capacity (That is a lot!) to supply years and years of door monitoring.
This battery is also a replacement for Visonic ER34615M
Part Number: LSH20-WC1
Compatible Replacement Battery Part Numbers:
VISONIC ER34615M, VISONIC MCS710, VISONIC MCS720, Visionic MCS730
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Built By BBMBattery - This is an Equivalent version of the original equipment manufacturers battery.