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Rectangular lithium-ion phone battery, flat black finish, 3.07 by 2.36 by 0.2 inches

Reach Tech (Xiamen) Co., Ltd.

Reach Tech (Xiamen) Co., Ltd. R55 2100 mAh 3.7V Li-on Cell Phone Battery

SKU CH-84CB-5ZFE1 MPN R55

Replacement lithium-ion cell delivers 2100 mAh at 3.7 V for R55 and R55AWS handsets

  • Compatible phone brandsReach Tech (Xiamen) Co., Ltd.
  • Compatible phone modelsR55 & R55AWS
  • Voltage3.7 V
  • Product typeReplacement Battery
  • Product weight0.1 lb (0.05 kg)
  • Original 2100 mAh capacity restores full runtime
  • 7 V nominal voltage matches factory spec
  • 77 Wh energy rating supports extended use
  • Slim 0.2 in profile fits handset perfectly
  • Light 0.1 lb weight keeps phone portable

Direct Replacement

The Reach Tech R55 is a brand-new lithium-ion cell phone battery built for the R55 and R55AWS handsets. It restores original runtime for owners whose factory pack no longer holds a charge.

Capacity and Voltage

Rated at 2100 mAh and 3.7 V with a 4.2 V maximum limit, the pack delivers 7.77 Wh of energy. Matching these figures exactly is the only way to ensure the phone recognises the cell and reports capacity correctly.

Thermals and Draw

The slim 0.2 in profile fits the stock compartment without forcing the cover. Normal operation stays at the phone's designed voltage, so heat and current draw remain identical to the original battery.

How it compares

Measured against everything we stock in Replacement Phone Batteries, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 96% of the 868 comparable items (median $14.99).

Specifications

Product
Product typeReplacement Battery
Power
Voltage3.7 V
Size & build
Product weight0.1 lb (0.05 kg)
Compatibility
Compatible phone brandsReach Tech (Xiamen) Co., Ltd.
Compatible phone modelsR55 & R55AWS

Questions about this item

How long will the 2100 mAh capacity actually last in my R55 handset?

The 2100 mAh cell stores 7.77 Wh at 3.7 V, which typically powers the R55 or R55AWS through a full day of mixed calling and data use before needing a recharge.

Does the 3.7 V nominal voltage and 4.2 V maximum limit mean I need a special charger?

No, the battery uses the standard lithium-ion charge profile; the phone's built-in controller stops charging at 4.2 V, so the original charger or any compatible USB supply works normally.

Will the 3.07 by 2.36 by 0.2 inch dimensions fit the R55 battery compartment without forcing it?

Yes, the cell is built to the exact R55 and R55AWS form factor, so it slides into the stock compartment and the cover closes flush with no modification needed.

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