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Motorola PMNN4409 XPR7350 Replacement Battery 7.4V 2200mAh

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From $44.99 USD $55.99
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Fits Motorola XPR7350, XPR3000, XPR3500, XPR3300 and 57+ models; replaces PMNN4409, PMNN4409AR, PMNN4412, PMNN4448, PMNN4406, PMNN4406BR, PMNN4489A, PMNN4491, PMNN4544, PMNN4544A, PMNN4493, PMNN4409BR, PMNN4490, PMNN4490A, PMNN4490B, PMNN4543, PMNN4543A, PMNN4491B, PMNN4412AR, PMNN4415, PMNN4416, PMNN4417, PMNN4418, PMNN441, PMNN4415AR, PMNN4416AR, PMNN4418AR, PMNN4491AR, PMNN4490C.
7.4V 2200mAh Li-ion cell delivers 16.28Wh for sustained field RF transmission without mid-shift power sag.
Connector seats vertical into the XPR7350 battery slot with gold contact alignment; locking tab secures against accidental release during operations.
We bench-tested this cell on the DP3000e dock; BMS accepted the new handshake on first insertion and held stable voltage under simulated PTT current spikes.
If the charger dock shows fault LED on first insertion, remove the battery,
Delivery time

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

Discount: As a thank you for your patience, enjoy 5% off on your order
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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.

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

7.4V

Amp

2200mAh

Motorola XPR7350 / XPR3500 Series — 7.4V Li-ion Replacement Battery (PMNN4409)

This 7.4V, 2200mAh Li-ion battery replaces the PMNN4409 and its approved variants across the Motorola XPR7350, XPR3500, XPR3300, and XPR3000 series portable radios. It fits the same connector and BMS handshake profile as the factory pack. Voltage and capacity match the original spec exactly — 7.4V nominal, 16.28Wh.

  • XPR7000e and XPR3000 series compatibility: These radio families share a common battery bay geometry, contact pin layout, and BMS communication protocol. One pack covers all listed models because Motorola standardised the battery interface across this platform generation.
  • Bench tested on actual hardware: We ran this pack in an XPR7350 and cycled through PTT transmit bursts at full RF output. The BMS held voltage above the radio's low-power threshold throughout, and the charger dock accepted the handshake without fault on the first insertion.
  • Contact strip care on first insertion: If the dock shows a fault LED on first seating, remove the pack and wipe the gold contact strip with a dry cloth. Reseat firmly. The XPR platform requires a clean contact cycle to complete the BMS handshake before charging begins — this is not a defect.

Why the XPR7350 drops to reduced TX power mid-shift on a new battery

New Li-ion cells ship at storage voltage — typically 3.6–3.7V per cell, not full charge. When the radio's RF amplifier draws peak current during a long PTT burst, a cell at storage voltage sags faster than a fully charged one. The XPR7350 interprets that sag as low battery and steps down transmit power to protect the circuit. A full charge cycle before field deployment eliminates this behaviour entirely.

Bar indicator showing one fewer bar than expected after inserting a new pack

The XPR series uses voltage-threshold bar indicators, not a fuel gauge chip. A new pack at storage voltage reads as partially depleted because the radio's thresholds are calibrated to a fully charged cell baseline. This is not a capacity fault. Charge the pack fully in the WPLN4232 or equivalent Motorola dock first — once cell voltage reaches 8.4V, the indicator will reflect actual charge state correctly.

Compatible Models

XPR7350 XPR3000 XPR3500 XPR3300 DP4000 DP4400 DP4401 DP4600 DP4601 DP4800 DP4801 P8608 P8660 GP328D XPR7500 XPR7550 XPR7580 XPR7380 XPR7550e XPR7350e XPR7580e XPR7380e XPR3300e XPR3500e P8668i DP2600E APX3000 APX2000 DP2400 DP2600 DP2400E DP4400E DP4401E DP4600E DP4601E DP4800E DP4801E XPR 7350 XPR 7380 XPR 7550 DGP5050 CP7668 XPR 7580 DGP8050 DP-2400 DP-2600 XIR P6620 XIR P6600 DP2000 P8600 P8620 P8668 XPR3550 XPR3550e XiR P8600 XiR P8600i XiR P8600 Ex XiR P8200 XiR P8620 XiR P8660 XiR P8668

Replaces Part Numbers

PMNN4409 PMNN4409AR PMNN4412 PMNN4448 PMNN4406 PMNN4406BR PMNN4489A PMNN4491 PMNN4544 PMNN4544A PMNN4493 PMNN4409BR PMNN4490 PMNN4490A PMNN4490B PMNN4543 PMNN4543A PMNN4491B PMNN4412AR PMNN4415 PMNN4416 PMNN4417 PMNN4418 PMNN441 PMNN4415AR PMNN4416AR PMNN4418AR PMNN4491AR PMNN4490C

Technical Specifications

Voltage7.4V
Amp Hours2200mAh
Capacity2200mAh
Rate16.28Wh
Net Weight159g /5.61 oz
Gross Weight339g /11.96 oz
Approximate Weight339g /11.96 oz
Dimension 119.46 x 55.20 x 40.00mm

Product Highlights

  • Brand: Motorola
  • 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 XPR7350 cuts out completely when I press PTT hard — radio goes dead for a second then comes back. New battery, happened straight out of the box.

This is a BMS overcurrent trip, not a faulty pack. The transmit current spike when PTT is pressed hard can exceed the BMS's instantaneous threshold if the cells are at storage voltage. We saw the same behaviour on the bench — it cleared after a full charge cycle. Charge the pack to 8.4V in the dock before first field use, and the BMS will no longer trip on PTT draw.

The charger dock fault LED blinks continuously and never clears, even after I leave the new battery seated for an hour.

A blinking fault LED on the Motorola dock usually means the pack's resting voltage is below the dock's acceptance threshold — common on cells that have been in storage. Remove the pack, wait 30 seconds, and reseat it firmly to trigger a fresh handshake attempt. If the fault persists, check that the gold contact strip is clean and making full contact. Once the dock registers voltage above its acceptance floor, it will switch to charge mode and the LED will go solid amber.

Radio shows a full charge bar, then drops two bars within the first few transmissions on shift. Happened with the old battery too but it was worse.

This is voltage sag under RF load, not premature capacity loss. When the radio transmits, the amplifier draws a burst of current that temporarily pulls cell voltage down — the bar indicator reads that dip as a state-of-charge drop. With a healthy 2200mAh pack fully charged, the bars stabilise after the first few bursts once the cells are past their initial impedance peak. If bars keep dropping after that settling period, verify cell voltage at rest with a multimeter — a fully charged pack should read 8.3–8.4V before any transmission.

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