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Electronics Line ESP Infinite PRIME WES Siren Battery Pack


Quick Overview

Replacement rechargeable backup battery for the Electonics Line (ESP) wireless Infinite PRIME siren bell box.
Only 500 left

Availability: In stock

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The Electronics Line XCELPLUS Extended Life model is a high capacity battery backup for your Infinite PRIME WES wireless siren bell box. The Extended Life model is recommended for anyone that requires more hours of backup from their siren bell box and doesn't want to replace the battery for the next 4-5 years.

The Electronics Line XCELPLUS Standard model is also suitable for the Infinite PRIME WES siren, but may only offer 5-6 hours backup in the event of a power cut, and require replacing within 2-3 years.

The XCELPLUS Extended Life (formerly ESP) uses the highest capacity battery available on the market and unlike budget consumer batteries, it's produced using the highest quality industrial, nickel-metal hydride (NiMH) batteries.

XCELPLUS are the only producer of Infinite PRIME batteries to include a PTC resettable fuse, used to protect against overcurrent faults or reverse polarity insertion. All batteries can leak acid when they're depleted for long periods if gone un-checked. PTC resettable fuses prevent further damage to the control panel from short-circuit faults caused by battery acid. As of 2014 all batteries sold by XCELPLUS now feature this vital protection.

Additional Information


Standard: 500mAh
Extended Life: 1100mAh

Arrangement 2 lines of 3
Finish Green
Voltage 7.2V
Cable length 100mm
Dimensions (mm) 33x22x44mm
Manufacturer's Part No. INF-BATWES, GP91AAALH6YMX, GP11AAAH6YMX
Cell construction AAA, NiMH
Shelf life

3yrs (500mA)
4-5yrs (1100mA)

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