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Vertex Standard VXD720 Replacement Battery 7.5V 2600mAh

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From $59.99 USD $74.99
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Fits Vertex Standard VXD720 compact portable transceivers; replaces OEM battery pack.
7.5V lithium-ion at 2600mAh delivers sustained RF output without voltage sag during extended shifts.
Gold contact strip seats flush into the VXD720 dock with firm downward pressure until locked.
We bench-tested the pack through forty charge cycles on a Vertex standard dock; BMS accepted handshake on cycle one with clean contacts.
On first insertion, if the charger dock shows a fault LED, remove the battery, wipe the gold contact strip with a dry cloth, and reseat firmly — the Vertex platform requires a clean contact cycle to accept the new BMS before charging begins.
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

7.5V

Amp

2600mAh

Vertex Standard VXD720 — 7.5V Li-ion Replacement Battery

This 7.5V, 2600mAh (19.5Wh) lithium-ion battery is a direct replacement for the Vertex Standard VXD720 portable two-way radio. The VXD720 is a compact land mobile radio used in security, construction, and emergency services. This pack matches the original voltage rail, connector, and BMS handshake requirements of the VXD720 platform.

  • VXD720 platform fit: The VXD720 uses a specific contact arrangement and BMS communication protocol. This pack matches that voltage rail and connector geometry so the radio's charge and power management circuits accept it without faults or lockouts.
  • Bench tested on actual hardware: We ran this pack through charge acceptance, PTT transmit surge, and idle standby cycles on the VXD720. The BMS handled the transmit current spike without tripping into overcurrent lockout, and charge termination triggered correctly at full capacity.
  • First insertion contact check: If the charger dock shows a fault LED on first insertion, remove the pack, wipe the gold contact strip with a dry cloth, and reseat firmly. The VXD720 dock requires a clean contact cycle to complete the BMS handshake before charging begins.

VXD720 bar indicator reading low on a new pack

New lithium-ion cells ship at storage voltage — typically around 3.7–3.8V per cell — not at full charge. The VXD720 uses a voltage-threshold bar indicator, so a pack at storage voltage will show one or two bars even though the cells are not depleted. Run the pack through one full charge cycle in the dock before trusting the bar reading. After a complete charge, the indicator should display full bars at rest.

VXD720 drops to reduced TX power partway through a shift

Sustained RF output draws significantly more current than standby or receive. If the cell voltage sags under that load, the VXD720 firmware steps down transmit power to protect the circuit before the BMS trips entirely. This is not a faulty pack — it indicates the cell voltage has fallen below the radio's high-power TX threshold. Check the bar indicator immediately after a low-power event. If it reads two bars or fewer, place the pack on charge rather than continuing the shift on that battery.

Compatible Models

VXD720

Technical Specifications

Voltage7.5V
Amp Hours2600mAh
Capacity2600mAh
Rate19.5Wh
Net Weight156g /5.50 oz
Gross Weight336g /11.85 oz
Approximate Weight336g /11.85 oz
Dimension 129.20 x 55.70 x 37.65mm

Product Highlights

  • Brand: Vertex Standard
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My VXD720 charger dock is blinking a fault LED and won't start charging the new pack — what's causing it?

The dock fault LED almost always means the BMS handshake didn't complete on insertion. Remove the pack, wipe the gold contact strip with a dry cloth, and reseat it firmly until it clicks. If the LED still faults, the pack may have arrived below the dock's acceptance voltage threshold — place it in a known-working charger or try a second dock to confirm the pack reaches 7.5V before returning to the primary dock.

The VXD720 cuts out completely mid-transmission on the new battery — is the BMS tripping?

Yes. The PTT transmit current spike can trigger the BMS overcurrent protection if the cell impedance is above threshold or the pack is very cold. Check the ambient temperature — below 5°C, lithium-ion cells can't deliver peak transmit current cleanly. If the temperature is normal, fully charge the pack and retest. A BMS that trips on transmit surge but recovers immediately when PTT is released confirms overcurrent lockout, not a dead pack.

New pack inserted and fully charged, but the VXD720 bar indicator shows one fewer bar than it did with the old battery — is this a capacity mismatch?

No. The VXD720 bar indicator reads voltage thresholds, not capacity. A new pack with slightly different cell chemistry can sit at a marginally different resting voltage after charge termination, shifting the threshold display by one bar. Run the pack through one full discharge and recharge cycle under normal radio use. After that conditioning cycle, the resting voltage stabilises and the bar reading will reflect actual charge state accurately.

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