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Visonic Siren Battery MCS-740 SR-740 PG2, PowerMax Bell Box (2pcs 3.5Ah)
★★★★★
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About this item
- Long-Life Battery: Visonic MCS-740 & SR-740 PG2 Siren with 1 or 2 Packs, Backup Power for Extended Periods, Recommended to use 2 Batteries, Fully Compatible with Visonic Sirens Alarm System.
- Compatibility: 3.5Ah Visonic Siren Batteries Compatible With Visonic Alarm Systems Offer Great Value for Money
- Dual Battery: Visonic recommends installing the second battery for greater backup duration and less maintenance. This provides backup if first battery runs out, keeping system functioning optimally.
- UL Conformity: To conform with UL installations, 1 to 2 batteries per siren must be installed. This feature ensures that the Visonic MCS-740 siren meets the safety standards.
- Lithium Battery Packs: The Visonic MCS-740 siren comes with 1 & 2 2XER18505M lithium battery packs. This feature ensures that the battery packs have a high energy density, for a longer lifespan.
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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