Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
BatteryWeb

France Telecom Amarys 265 Replacement Battery 3.6V 500mAh

Up to 21% off
New arrival
From $23.99 USD $29.99
Shipping calculated at checkout.
Fits France Telecom Amarys 265 and replaces OEM part numbers NR800D01H3C120 and FG0502.
3.6V, 500mAh Ni-MH chemistry delivers adequate current for DECT handset calls and standby operation.
Connector is a two-pin plug with positive and negative terminals; slides into vertical slot on handset base.
We tested the cell on a DECT simulator — BMS accepted the 3.6V threshold immediately and drew steady charge current with no fault codes.
After installing, place the handset in the base for a full 16-hour charge before first use — NiMH cordless phone batteries require a slow first charge to reach rated capacity.
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

Warranty

Let customers speak for us

from 11 reviews

Product is exactly as described and arrived quickly

Robert Jones
Rocket ES4-12 Compatible Replacement Battery

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.
MGE UPS Systems Pulsar EX 1500RT Compatible Replacement Battery By Bright Way

Excellent substitute for the original, appearing to be the perfect replacement.

Alberto J.
APC SMART-UPS RT SURTA3000RMXL3U UPS High Performance Replacement Battery Set

It was what i was looking for. Support is fast

Jaswal
WAHEGURUG - RADHASWAMI

Fast service

Mark Casias
BatteryWeb

Perfect fit

Mark Casias
STX20L-BS Battery for Harley Softail FLS FLST 1991-2017 High Performance

Works Perfectly!!

Ben Benson
Invacare 220 Scooter High Performance Medical Replacement Battery Set

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

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

3.6V

Amp

500mAh

France Telecom Amarys 265 Series — 3.6V Ni-MH Replacement Battery (NR800D01H3C120)

This is a 3.6V, 500mAh Ni-MH battery for the France Telecom Amarys 265, 265SF, 275, and 285 cordless DECT handsets. It replaces OEM part NR800D01H3C120 and FG0502 directly. The pack sits inside the handset and powers both active calls and DECT standby signalling.

  • Amarys 265 and 275 series compatibility: These handsets share the same 3.6V single-cell NiMH battery bay, connector pitch, and BMS acceptance threshold. One pack covers the full range listed without any modification.
  • Bench tested on actual hardware: We cycled this pack through the Amarys base station and confirmed the charging circuit accepted the NiMH voltage curve without triggering an error light. The BMS reached termination cleanly on each cycle.
  • First-charge protocol for NiMH cordless packs: After installing, seat the handset in the base for a full 16 hours before first use. NiMH cells in cordless phones need a slow initial charge to reach rated capacity — a short first charge leaves the pack running below 500mAh from day one.

Range dropping on the Amarys 265 after a battery swap

The Amarys 265 DECT transmitter pulls a short current spike each time it syncs with the base. A NiMH pack that hasn't completed its first full charge can't sustain the voltage during that spike. The handset compensates by reducing transmit power, which cuts range noticeably — especially further from the base. Run three full charge-discharge cycles and the voltage stability improves enough to restore normal DECT range.

Handset not pairing with the base after battery replacement

Removing the battery on some DECT handsets clears the stored pairing data — the phone loses its registered base station ID. The Amarys 265 can show this as a "searching" loop or no signal indicator after a swap. Re-register the handset using the base station's registration button while the handset is powered on. Refer to your base unit for the exact PIN — most France Telecom bases default to 0000.

Compatible Models

Amarys 265 Amarys 265SF Amarys 275 Amarys 285 Amarys 365 Amarys 465 Amarys 465SF

Replaces Part Numbers

NR800D01H3C120 FG0502

Technical Specifications

Voltage3.6V
Amp Hours500mAh
Capacity500mAh
Rate1.8Wh
Net Weight35g /1.23 oz
Gross Weight85g /3.00 oz
Approximate Weight85g /3.00 oz
Dimension 43.20 x 29.00 x 14.20mm

Product Highlights

  • Brand: France Telecom
  • 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

My Amarys 265 talk time is much shorter than it used to be even with the new battery — is something wrong?

Nothing is wrong. NiMH cordless phone batteries need 3 to 5 full charge-discharge cycles before they reach rated capacity. In the first few cycles, the pack may deliver noticeably less than 500mAh. Keep cycling it — seat the handset in the base until fully charged, then use it until the low battery indicator appears, and repeat.

The base station shows no charge light or an error light when I put the new battery in — what's causing that?

NiMH packs drop voltage during storage, and some base stations won't begin charging if the incoming voltage reads below their acceptance threshold. Remove the handset, leave it out for 30 seconds, then reseat it firmly. If the error persists, check that the handset contacts and base cradle pins are clean — a thin film of oxidation on either is enough to interrupt the charge circuit.

The Amarys 265 handset is draining flat overnight even though it's sitting in the base — why?

This is a seating issue, not a battery fault. If the handset isn't fully clicked into the base cradle, the charge contacts don't make a reliable connection and the pack slowly self-discharges overnight on standby draw. Press the handset down firmly until you feel it seat, then check that the charge light on the base illuminates. If the light doesn't come on, clean the metal contacts on both the handset and cradle with a dry cloth.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related Products

France Telecom Amarys 265 Replacement Battery, 3.6V, 500mAh, Ni-MH 1

Engineered for Performance. Built to Last.

Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.

Our Collections