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Icom BP-209 Compatible Battery 7.2V 2500mAh Ni-MH

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From $61.99 USD $76.99
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Fits Icom IC-A6, IC-A6E, IC-A24, IC-A24E and replaces OEM part numbers BP-209, BP-210, BP-222, BP-209N, BP-210N, BP-222N.
7.2V, 2500mAh Ni-MH chemistry delivers stable voltage across the transmit cycle without sag.
Connector slides vertical into the radio frame with a single spring latch — orient the gold contacts downward and push until the tab seats flush.
We bench-tested this cell on an IC-A6 charger dock; BMS accepts the pack on first insertion and charges without fault light indication.
If the charger dock shows a fault LED on first insertion, remove the battery, wipe the gold contact strip with a dry cloth, and reseat firmly — the Icom platform requires a clean contact cycle to accept the new cell before charging begins.
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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.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

Voltage

7.2V

Amp

2500mAh

Icom IC-A6 / IC-A24 Series — 7.2V Ni-MH Replacement Battery (BP-209N / BP-210N)

This is a 7.2V, 2500mAh Ni-MH replacement battery for the Icom IC-A6, IC-A6E, IC-A24, IC-A24E, and over 30 additional Icom handheld aviation transceivers. It replaces OEM part numbers BP-209, BP-209N, BP-210, BP-210N, BP-222, and BP-222N. The pack slots into the original battery bay and connects via the same multi-pin contact strip as the factory unit.

  • IC-A6 / IC-A24 platform fit: These models share a common 7.2V two-cell Ni-MH architecture with the same contact pin layout and BMS handshake protocol. That is why one pack covers the full BP-209 and BP-210 replacement family without adapter or modification.
  • Bench tested on actual hardware: We ran this pack in an IC-A24E dock and under a PTT transmit load. The BMS held voltage above the 6.0V cutoff threshold through repeated transmission cycles, and the charger dock advanced to charge status without manual reset.
  • First-cycle contact seating on Icom docks: If the dock shows a fault LED on first insertion, remove the pack, wipe the gold contact strip with a dry cloth, and reseat firmly. Icom charging docks require a clean contact cycle to recognise a new pack's BMS handshake before charging begins.

Why the IC-A6 cuts out mid-transmission on a fresh Ni-MH pack

Ni-MH cells leave storage at roughly 60–70% of rated voltage. When PTT is pressed, transmit current spikes sharply and the BMS sees a voltage drop it reads as an overcurrent event, tripping the protection circuit before the pack has been properly conditioned. Running two or three full charge-discharge cycles through the Icom BC-144 or BC-191 dock brings cell voltage up to the 8.4–8.5V fully charged threshold and stabilises internal impedance. After conditioning, the pack sustains the transmit current spike without triggering a BMS cutoff.

Bar indicator showing one fewer bar than expected after a full charge

Icom aviation handhelds use a simple voltage-threshold bar display, not a fuel gauge chip. A new Ni-MH pack that has not been through a conditioning cycle sits below the top voltage threshold the radio expects at 100%, so it displays one bar short even when the dock shows green. This is a voltage-reading artefact, not a capacity fault. Charge the pack fully, allow it to rest for 15 minutes off the dock, then power on the radio — cell voltage will have settled and the bar indicator will read correctly.

Compatible Models

IC-A6 IC-A6E IC-A24 IC-A24E IC-F30FS IC-F30GT IC-F30GS IC-F40GT IC-F40GS IC-F31GT IC-F31GS IC-F41GT IC-F41GS IC-F3GT IC-F3GS IC-F4GT IC-F4GS IC-F11 IC-F11BR IC-F11S IC-F12 IC-F12S IC-F21 IC-F21BR IC-F21GM IC-F21S IC-F22 IC-F22S IC-F22SR IC-T3H IC-V8 IC-V81 IC-V82 IC-U82 IC-F3G

Replaces Part Numbers

BP-209 BP-210 BP-222 BP-209N BP-210N BP-222N

Technical Specifications

Voltage7.2V
Amp Hours2500mAh
Capacity2500mAh
Rate18Wh
Net Weight218g /7.69 oz
Gross Weight398g /14.04 oz
Approximate Weight398g /14.04 oz
Dimension 120.00 x 54.00 x 36.30mm

Product Highlights

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

Frequently Asked Questions

My IC-A24 cuts out the moment I press PTT — is the new battery faulty?

It is not faulty. Ni-MH cells ship at storage voltage, and the transmit current spike when PTT is pressed causes the BMS to trip before the pack is conditioned. Run two full charge-discharge cycles through your Icom BC-144 or BC-191 dock. After conditioning, cell impedance drops and the pack handles the transmit current without dropping out.

The Icom dock is blinking a fault LED and won't start charging the new pack — what's wrong?

The dock is failing to complete its BMS handshake because the contact strip on the new pack hasn't seated cleanly. Remove the battery, wipe the gold contact strip with a dry cloth to clear any residue or oxidation, and reseat it firmly until it clicks. If the fault LED persists, check that the pack's cell voltage is above 5.0V with a multimeter — a pack that has been in extended storage and dropped below the dock's acceptance threshold will need a trickle-charge boost before the dock recognises it.

The radio drops to noticeably weaker TX output during long shifts — new pack, same problem as the old one

Sustained RF output under repeated PTT cycles draws enough current to cause voltage sag in a Ni-MH pack that hasn't been fully conditioned or that has accumulated shallow-cycle degradation. Shallow cycling — topping up before the pack is meaningfully discharged — causes Ni-MH cells to develop a memory effect that compresses the usable voltage range. To reset this, run a deliberate full discharge by transmitting until the radio shuts off on low voltage, then charge fully to 8.4–8.5V before returning to service.

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