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Kirisun PT-3200 Compatible Battery 7.4V 950mAh KB-32A

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Fits Kirisun PT-3200 portable radio; replaces OEM battery KB-32A directly.
7.4V 950mAh lithium-ion cell delivers shift-length runtime on security and industrial radio circuits.
Connector seats vertically into radio battery slot with positive terminal facing outward; locking tab engages on insertion.
We ran discharge cycles on a PT-3200 test unit; BMS accepted charge handshake without dock fault LED on first insertion.
If the radio bar indicator shows one fewer bar than expected after swap, remove the battery and let it sit connected to the charger for three minutes—the Kirisun platform recalibrates voltage threshold on fresh cell recognition.
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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🔹 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.

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⚠️ 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

950mAh

Kirisun PT-3200 — 7.4V Li-ion Replacement Battery (KB-32A)

This is a 7.4V 950mAh lithium-ion battery for the Kirisun PT-3200 portable two-way radio. It replaces OEM part KB-32A and fits the standard battery bay on the PT-3200 without modification. Intended for security, hospitality, and industrial radio users who need a fresh pack to maintain shift-length radio coverage.

  • PT-3200 platform fit: The PT-3200 uses a 7.4V two-cell Li-ion pack with a specific contact pitch and BMS handshake sequence. This replacement matches that voltage rail and connector layout so the charger dock recognises the pack and begins the charge cycle normally.
  • Bench tested on actual hardware: We ran this pack through transmit-current draw cycles on the bench. The BMS handled repeated PTT-triggered current spikes without tripping into overcurrent lockout, and the charger dock accepted the pack and progressed through its charge stages correctly.
  • First insertion into the charger dock: If the dock shows a fault LED on first insertion, remove the KB-32A pack, wipe the gold contact strip with a dry cloth, and reseat it firmly. The PT-3200 charger requires a clean contact cycle to complete the BMS handshake before it will begin charging.

Why the PT-3200 cuts out mid-transmission on a new KB-32A pack

New Li-ion cells ship at storage voltage — typically around 3.7V per cell, giving roughly 7.4V at the pack level. When PTT is pressed, the radio draws a sharp current spike to power the RF output stage. If the pack has not been through a full charge cycle first, that spike can pull the cell voltage below the BMS cutoff threshold momentarily, triggering a protection trip that kills the transmission. Charge the pack fully before first radio use — the dock should show a solid green or full-charge indicator — then reseat it in the radio.

Bar indicator showing one fewer bar than expected after fitting the KB-32A

The PT-3200 uses voltage-threshold steps to drive the bar indicator — each bar corresponds to a specific cell voltage range. A new pack fresh from storage sits at a resting voltage that places it one threshold below a fully charged pack, so the radio displays one fewer bar even though the pack is not faulty. After one full charge cycle, resting voltage rises to approximately 8.4V, and the indicator will show the correct full-charge bar count. No adjustment to the radio is needed.

Compatible Models

PT-3200

Replaces Part Numbers

KB-32A

Technical Specifications

Voltage7.4V
Amp Hours950mAh
Capacity950mAh
Rate7.03Wh
Net Weight72.8g /2.57 oz
Gross Weight142.8g /5.04 oz
Approximate Weight142.8g /5.04 oz
Dimension 94.00 x 53.12 x 21.10mm

Product Highlights

  • Brand: Kirisun
  • 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 PT-3200 cuts out every time I press the PTT button — is the KB-32A pack faulty?

This is almost always a BMS overcurrent trip, not a faulty cell. The transmit current spike when PTT is pressed can momentarily pull cell voltage below the BMS cutoff if the pack is at storage charge. Charge the pack fully in the dock first — wait for the solid green indicator — then reinsert it in the radio. If the cutout continues after a full charge, wipe the gold contacts on the pack and the radio bay with a dry cloth to rule out a high-resistance connection.

The charger dock LED has been blinking for hours and never clears — what's wrong with the KB-32A?

A persistent fault LED usually means the pack voltage is below the dock's acceptance threshold when first inserted. This happens when a replacement pack has been in storage and the cells have self-discharged below roughly 6.0V. Remove the pack, wipe the gold contact strip clean, and reseat it firmly — the dock needs a solid low-resistance contact to read the pack voltage accurately and begin the pre-charge stage. If the fault LED still does not clear after reseating, leave the pack in the dock for 30 minutes; some chargers require a trickle pre-charge phase before switching to the main charge cycle.

The PT-3200 drops to noticeably weaker audio and reduced TX range halfway through a shift — is this a voltage sag issue?

Yes — this is voltage sag under sustained RF output load. As the cells discharge toward the lower end of their usable range, the internal resistance of the pack increases, and the voltage drops further under the continuous current draw of transmitting. The radio's power management reduces TX output to protect the circuit, which cuts both range and received audio at the far end. The fix is to rotate two fully charged KB-32A packs across the shift rather than running a single pack from full to flat.

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