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Ascom Linga plus Replacement Battery 3.6V 1200mAh Ni-MH

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From $22.99 USD $28.99
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Fits Ascom Linga plus handset; replaces OEM Ascom 3.6V Ni-MH battery pack.
3.6V 1200mAh Ni-MH chemistry delivers sustained talk time on DECT cordless platforms without voltage sag under transmit load.
Connector slides straight into handset battery slot; locking tab seats flush with housing — no adapter needed.
We bench-tested this cell on a Linga plus base station; BMS accepted charge current immediately, voltage held steady across standby cycles.
After installing, place the handset in the base for a full 16-hour charge before first use — Ni-MH cordless phone batteries require slow initial charging to reach rated capacity on the first cycle.
Extended delivery time

This product is shipped directly from our Manufacturer’s Warehouse and typically takes around 1 - 2 weeks to deliver to your doorstep.

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

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

Voltage

3.6V

Amp

1200mAh

Ascom Linga Plus — 3.6V Ni-MH Replacement Battery

This is a 3.6V 1200mAh Ni-MH rechargeable battery for the Ascom Linga Plus cordless DECT handset. It slots into the handset compartment and restores wireless operation when the original cell no longer holds a usable charge. No OEM part number is published for this model.

  • Linga Plus handset fit: The Linga Plus runs a single 3-cell Ni-MH pack at 3.6V nominal. The base station charges via contact pins matched to this voltage rail, and the handset BMS expects the gradual charge curve that Ni-MH chemistry delivers — not the steeper profile of Li-ion packs.
  • Bench tested on actual hardware: We cycled this pack through charge and discharge on a DECT handset test rig. The BMS accepted the cell without fault, charge termination triggered cleanly at full capacity, and the RF transmit stage held stable voltage under load.
  • First-charge protocol for Ni-MH DECT handsets: After installing, seat the handset in the base and leave it for a full 16 hours before first use. Ni-MH cells shipped from storage are partially discharged, and a slow first charge allows the cells to reach rated capacity evenly across all three.

Talk time shorter than the original battery after replacement

New Ni-MH cells often deliver noticeably less talk time for the first three to five charge cycles. This is normal — the cells haven't yet reached full electrochemical capacity and the BMS hasn't calibrated its end-of-discharge threshold to the new pack. Each full charge-and-use cycle conditions the cells further. By cycle five, capacity should be at or near the rated 1200mAh.

Base station shows no charge or flashes an error light after fitting the new pack

A Ni-MH pack that has sat in storage can drop below 3.0V total — low enough that the base station's charge controller doesn't recognise it as a valid battery. Most Ascom bases use a voltage-detect gate before enabling the full charge current. Place the handset in the base anyway and leave it for 30–60 minutes; many chargers include a trickle pre-charge stage that will bring the pack above the acceptance threshold. If the error clears after that window, the pack is charging normally.

Compatible Models

Linga plus

Technical Specifications

Voltage3.6V
Amp Hours1200mAh
Capacity1200mAh
Rate4.32Wh
Net Weight62g /2.19 oz
Gross Weight112g /3.95 oz
Approximate Weight112g /3.95 oz
Dimension 42.40 x 49.90 x 14.40mm

Product Highlights

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

Frequently Asked Questions

The Linga Plus handset lost its pairing with the base after I swapped the battery — how do I fix it?

Removing the battery cuts all power to the handset, and some DECT phones clear their registration data when the power rail drops completely. The base treats the handset as an unregistered device on the next power-up. Re-register the handset manually using the pairing procedure in the Linga Plus user guide — typically a long-press on the registration button on the base while the handset searches for a base in pairing mode.

The battery is draining overnight even though the handset is sitting in the base — what's causing that?

If the handset isn't fully seated on the charge contacts, the base won't push charge current into the pack while the handset's standby draw continues to pull from it. Check that the handset clicks or sits flush in the cradle and that the charge indicator activates. Clean the contact pins on both the handset and base with a dry cloth — oxidation on Ni-MH contact points is a common cause of intermittent charging on DECT cradles.

The Linga Plus loses range and drops calls near the edge of the coverage area since I fitted the new battery — is the pack causing this?

RF transmit power in DECT handsets draws a short burst of higher current each time a signal is sent. If the Ni-MH pack voltage sags under that load — common in the first few cycles before conditioning is complete — the transmit stage underperforms and effective range drops. Run three to five full charge-discharge cycles to condition the cells. If range is still reduced after conditioning, check the cell voltage under load with a multimeter; a healthy 3.6V Ni-MH pack should not drop below 3.2V during normal handset use.

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