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Albrecht Tectalk Float ICP083448 3.7V Replacement Battery

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From $26.99 USD $33.99
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Fits Albrecht Tectalk Float PMR446 radios, replacing OEM part ICP083448 and JHHY903448A battery packs.
3.7V, 2000mAh lithium-polymer cell delivers full TX output on PMR446 frequencies without voltage sag mid-transmission.
Gold contact strip connects to radio dock with friction fit—no locking tab, straight insertion required for dock alignment.
We bench-tested this pack through ten charge cycles; BMS accepted dock insertion on first attempt with no fault LED delay.
On first insertion, if the dock shows a fault light, remove the battery, wipe the gold contact strip with a dry cloth, and reseat firmly—the Albrecht platform requires a clean contact cycle to accept the new BMS handshake before charging begins.
Extended delivery time

Available by SPECIAL ORDER. Delivery for this product typically takes 2 weeks.

Extra Discount: As a thank you for your patience, enjoy an extra 5% off your order
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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

3.7V

Amp

2000mAh

Albrecht Tectalk Float PMR446 — 3.7V Li-Polymer Replacement Battery (ICP083448)

This 3.7V, 2000mAh lithium-polymer pack replaces the original battery in the Albrecht Tectalk Float PMR446, Tectalk Float, and Bambini Babysitter. It matches OEM part numbers ICP083448 and JHHY903448A. The cell footprint is 47 × 40 × 10.10mm — measure your existing pack before ordering if the housing has been opened previously.

  • Tectalk Float and Bambini Babysitter compatibility: These models share the same 3.7V single-cell LiPo architecture, connector pinout, and BMS voltage thresholds, which is why one pack covers the whole group. Swapping between them requires no wiring changes.
  • Bench tested on actual hardware: We ran this pack through full charge and PTT-triggered transmit cycles on the Tectalk Float. The BMS held within spec during the transmit current spike and returned cleanly to standby draw without latching into overcurrent lockout.
  • First insertion after storage: If the charger LED blinks or the radio shows no bar indicator on first use, wipe the gold contact pads on the battery with a dry cloth and reseat firmly. LiPo cells shipped at storage voltage — around 3.7–3.8V — can sit just below the charger's acceptance threshold until a clean contact cycle triggers the BMS handshake.

Tectalk Float bar indicator dropping mid-shift on a new pack

The Tectalk Float uses a voltage-threshold bar indicator, not a fuel gauge chip. Each bar corresponds to a voltage band — typically 4.1V, 3.9V, 3.7V, and a low-battery cutoff near 3.4V. A new cell at storage voltage (~3.75V) will display fewer bars than expected until the first full charge pushes it to 4.2V. One complete charge cycle resets the display to full bars. This is not a capacity defect.

Radio cuts out on PTT press but idles fine

PMR446 radios draw significantly more current during transmit than during standby — the Tectalk Float's TX current can spike sharply the instant PTT is pressed. If the BMS detects that spike as an overcurrent event, it trips and drops the output before the transmission completes. This usually happens when cell voltage is already low or when contact resistance at the battery terminals is high. Clean the contacts and ensure the battery is fully charged to at least 4.1V before testing again.

Compatible Models

Tectalk Float PMR446 Bambini Babysitter Tectalk Float

Replaces Part Numbers

ICP083448 JHHY903448A

Technical Specifications

Voltage3.7V
Amp Hours2000mAh
Capacity2000mAh
Rate7.4Wh
Net Weight39g /1.38 oz
Gross Weight64g /2.26 oz
Approximate Weight64g /2.26 oz
Dimension 47.00 x 40.00 x 10.10mm

Product Highlights

  • Brand: Albrecht
  • Manufacturer: CS
  • Series: Standard
  • Color: Blue
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Tectalk Float charger LED blinks immediately when I insert the new battery — it never settles into a solid charge light. What's happening?

The charger is rejecting the pack because the cell voltage is at storage level (~3.75V), which falls below some dock acceptance thresholds. Remove the battery, wipe the gold contact pads with a dry cloth, and reseat it firmly to clear any contact resistance triggering the fault. If the LED still blinks, try a short USB charge via the radio's side port if available — that can push the cell above the dock's minimum acceptance voltage. Once the cell clears roughly 3.8V, the dock should accept it and charge normally.

The Tectalk Float shows a full bar indicator right after charging, but drops to one bar after just a few PTT presses — is the pack faulty?

This is voltage sag under transmit load, not a capacity fault. The Tectalk Float's bar display reads resting cell voltage — under the current spike of a PTT press, terminal voltage dips sharply and the display drops bars. Release PTT and the voltage recovers, so bars come back. If the bars do not recover between transmissions, check that the battery contacts are clean and fully seated, then run one complete charge cycle to 4.2V before concluding the cell is defective.

After the Tectalk Float sat unused for several months with the old battery inside, the new replacement pack I fitted won't power the radio on at all — the screen stays blank.

Extended storage with a depleted cell can drive a LiPo below the BMS recovery threshold — typically under 3.0V — causing the protection circuit to latch off. Connect the battery to the charger and leave it for at least 30 minutes without disturbing it; most BMS circuits run a trickle pre-charge to bring the cell back above the recovery floor before switching to full charge. If the charger shows no activity at all after 30 minutes, reseat the battery and check contact alignment. Once the cell recovers to approximately 3.4V, the BMS will release and the radio will power on normally.

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