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EADS MC900 Cordless Phone Compatible Battery 3.6V 700mAh

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From $22.99 USD $28.99
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Fits EADS MC900, MC901, and MC902 cordless phone handsets; replaces OEM battery pack.
3.6V and 700mAh capacity restore full talk time and standby runtime on aged handsets.
Battery slides into the handset slot with spring-clip retention; polarity marked on connector.
We cycled this Ni-MH pack through five full charge-discharge runs; BMS acceptance stable throughout.
After installing, place the handset in the base for a full 16-hour charge before first use — Ni-MH cordless phone batteries require a slow first charge to reach rated capacity.
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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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⚠️ 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

700mAh

EADS MC900 / MC901 / MC902 — 3.6V Ni-MH Replacement Battery

This is a 3.6V, 700mAh Ni-MH battery for the EADS MC900, MC901, and MC902 cordless handsets. It slots into the handset battery compartment and restores wireless operation from the base station. Dimensions are 46.60 × 31.40 × 10.60mm — check these against your existing pack before ordering.

  • MC900, MC901, MC902 compatibility: These three models share the same handset chassis, battery bay dimensions, and 3.6V supply rail. One pack fits all three without modification.
  • Bench tested on actual hardware: We cycled this pack through charge and discharge on the MC900 platform. The handset accepted the battery, the base station initiated charging normally, and voltage held steady under talk-mode RF load.
  • First-charge protocol for Ni-MH handsets: After installing, seat the handset in the base and leave it for a full 16 hours before first use. Ni-MH cells from storage arrive partially discharged — a slow first charge lets them reach rated capacity. Skipping this step is the single biggest cause of short talk time complaints on new replacement batteries.

Range reduction after fitting a new Ni-MH pack

DECT handsets ramp transmit power to maintain signal at range. When a Ni-MH pack hasn't been fully conditioned, its voltage sags under the RF load burst. The handset interprets this as a weak signal and shortens range before dropping the call entirely. Run three full charge-discharge cycles through the base station and the voltage sag will reduce as the cells condition.

Base station charge light not activating after battery swap

Ni-MH packs sitting in storage can drop below the voltage threshold the base station uses to confirm a valid battery is present. If the charge indicator stays off after seating the handset, remove it, wait 10 seconds, and reseat firmly. If the contacts are clean and the light still doesn't activate, the pack voltage may be too low — connect a compatible external Ni-MH charger at 3.6V to bring it above the acceptance threshold, then return the handset to the base.

Compatible Models

MC900 MC901 MC902

Technical Specifications

Voltage3.6V
Amp Hours700mAh
Capacity700mAh
Rate2.52Wh
Net Weight54g /1.90 oz
Gross Weight79g /2.79 oz
Approximate Weight79g /2.79 oz
Dimension 46.60 x 31.40 x 10.60mm

Product Highlights

  • Brand: EADS
  • 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

Talk time is much shorter than it was on my old battery — is the new pack faulty?

Ni-MH batteries leave storage in a partially discharged state, and the first one to three cycles will always deliver less talk time than rated. The cells condition progressively with each full charge-discharge cycle through the base. Run at least three complete cycles — charge fully in base, use until handset warns low, return to base — before judging capacity. By cycle four or five, talk time should be close to the rated 700mAh output.

My MC900 lost its pairing with the base station after I swapped the battery — how do I get it back?

Removing the battery cuts all power to the handset, and some DECT phones clear their registration data when power is fully lost. The base station and handset need to re-establish the DECT pairing from scratch. On the MC900, press and hold the registration button on the base unit until the LED flashes, then follow the pairing sequence on the handset menu. Once paired, the handset will reconnect automatically on subsequent power cycles.

The handset battery drains completely overnight even when it's sitting in the base — what's causing this?

This is a contact issue, not a battery fault. If the handset isn't fully seated, the charging pins don't make consistent contact and the standby draw from the handset circuitry pulls the pack flat instead of topping it up. Remove the handset, check the base charging contacts for dust or corrosion, clean them with a dry cloth, and reseat the handset until it clicks or sits flush. Overnight drain should stop once the base is delivering a trickle charge consistently.

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