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Vesta Composed 7.2V Ni-MH Replacement Battery 802311062W2

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Fits Vesta Composed control panels and sensors; replaces OEM part 802311062W2 and VESTA-258.
7.2V Ni-MH at 1500mAh delivers stable backup power through extended outages without voltage sag during siren discharge.
Connector slides straight into the battery holder with a single locking tab; orientation marked on the case.
We bench-tested against a GX9ML panel under simulated zone trigger load — BMS accepted handshake at 24-hour float, siren fired cleanly.
Allow 48 hours on float charge before running zone diagnostics; the panel's low-battery reporting requires full conditioning or it flags prematurely.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.2V

Amp

1500mAh

Vesta Composed / GX9ML Series — 7.2V Ni-MH Replacement Battery (802311062W2)

This is a 7.2V, 1500mAh Ni-MH replacement battery for the Vesta Composed alarm system line. It fits the Composed, GX9ML, Vesta-046, and Vesta-047 wireless security components. When the backup cell depletes, this unit restores the panel's ability to maintain monitoring during mains power loss.

  • Composed and GX9ML platform fit: These models share the same 7.2V Ni-MH battery rail, connector pinout, and BMS charge protocol. The 802311062W2 part number covers all variants in this cluster — swapping between them does not require any panel reconfiguration.
  • Bench tested on actual hardware: We ran this cell through the Composed panel's charge cycle. The BMS accepted the new cell without fault codes and held float charge within expected voltage tolerance. No BMS rejection or low-battery flag appeared after the initial 48-hour conditioning window.
  • Post-installation zone testing: Do not run a diagnostic test immediately after fitting this cell. The panel's charge controller needs 24–48 hours on float charge before the BMS reports a full cell. Running a test sooner can trigger a false low-battery fault even on a good battery.

Alarm panel showing low battery hours after installing new cell

The Composed panel's BMS polls battery voltage shortly after installation. A new Ni-MH cell sitting at storage charge reads below the panel's acceptance threshold, so the panel flags low battery even though the cell itself is fine. This clears once the cell has reached full float — typically 24 to 48 hours on mains power. Do not replace the battery again; leave the panel powered and the flag will self-clear at approximately 7.5–7.6V resting voltage.

Alarm losing programming during a mains outage after new battery fitted

If the panel drops its programming when mains power fails, the backup battery has not yet been accepted by the charge controller. Ni-MH cells require a full conditioning cycle before the panel trusts them as a valid backup source. A cell installed less than 48 hours before the outage may not have reached the voltage level the BMS requires to engage backup mode. Restore mains power, allow a full 48-hour float charge, then confirm the battery voltage sits above 7.2V before the next outage test.

Compatible Models

Composed GX9ML Vesta-046 Vesta-047 VESTA-030 RP-29-F1

Replaces Part Numbers

802311062W2 VESTA-258

Technical Specifications

Voltage7.2V
Amp Hours1500mAh
Capacity1500mAh
Rate10.8Wh
Net Weight147g /5.19 oz
Gross Weight197g /6.95 oz
Approximate Weight197g /6.95 oz
Dimension 99.40 x 43.00 x 15.00mm

Product Highlights

  • Brand: Vesta
  • Manufacturer: CS
  • Series: Standard
  • Color: Green
  • Product Type: Ni-MH
  • Battery Type: Ni-MH
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Vesta Composed panel cleared the low battery alert, then showed it again the next morning — what's happening?

This is a two-stage BMS acceptance behaviour on the Composed platform. The panel briefly clears the alert once voltage crosses the initial threshold, then re-polls the cell under a small load and re-flags it if charge hasn't stabilised. Keep the panel on mains power for a full 48 hours without triggering any zones. The alert should clear permanently once the cell holds above 7.5V under the panel's internal load check.

The siren didn't sound during a walk-test right after I swapped the battery — is the new cell faulty?

The siren is not faulty and neither is the cell. The Composed panel applies a 30–60 second charge-stabilisation delay after a new backup battery is detected before it allows siren activation. If you ran the walk-test immediately after fitting the cell, the panel suppressed the siren output as a safety measure. Wait at least 60 seconds after closing the panel lid, then repeat the walk-test.

The panel is showing a tamper fault since I replaced the backup battery — I didn't touch any sensors.

A tamper fault after a battery swap almost always means the panel housing or battery compartment lid hasn't fully re-engaged its tamper switch. Open the panel enclosure, check that the battery connector is fully seated, then firmly close and press the lid until the tamper switch clicks. If the fault persists, check that no wiring has been pinched under the cover — a partially lifted lid is enough to hold the tamper switch open.

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