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Two small rectangular lithium polymer batteries with wires and connectors on a light background

LORDWORLD

LORDWORLD 2pcs Replacement Battery 3.7V 140mAh for Plantronics Savi W740 W745 W720 WH500 W440

SKU CH-YFN8-1GNMX

Two 3.7 V 140 mAh replacement batteries restore talk time to Plantronics Savi and WH series headsets, matching original dimensions and including overcharge protection

  • Restores original talk time with 3.7V 140mAh capacity
  • Fits Plantronics Savi W740 W745 W720 WH500 W440 series
  • Built-in microchip prevents overcharge short-circuit overheating
  • Tool-free swap pop out old slide in new
  • Two-pack value keeps a spare ready for instant replacement

Compatible headset models

This replacement battery pack fits Plantronics Savi W740 W740-M W745 W720 W440-M W440 W445 W02 WH500 WH500A CS540XD C054A C074. It matches part numbers 84598-01 82742-01 204755-01 86507-01. The pack contains two cells so you can swap both sides or keep a spare.

Before ordering

Verify that your headset uses a 3.7V 140mAh cell measuring 33*23*9mm. Confirm the original part number printed on the old battery matches one of the listed codes. The connector and polarity must be identical to the factory unit.

Sustained use behaviour

A built-in microchip guards against overcharging over-discharging short circuits and overheating during long talk sessions. The 0.5Wh capacity delivers talk time comparable to the original battery. Dimensions and weight match the factory cell so the headset balance stays unchanged.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 64% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameLORDWORLD

Questions about this item

Does the pack contain two batteries or just one?

The pack includes two replacement batteries, each rated 3.7V 140mAh and sized 33 by 23 by 9 mm at 5.4 g.

Which Plantronics models are confirmed compatible with these batteries?

Compatible models include Savi W740, W745, W720, WH500, W440, W445, W02, WH500A, CS540XD, C054A and C074, matching part numbers 84598-01, 82742-01, 204755-01 and 86507-01.

What talk time can I expect after fitting one of these 140 mAh cells?

Each cell delivers the same 3.7V 140mAh capacity as the original, so the headset runs for its original talk time on a full charge.

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