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Rectangular nickel-zinc battery pack 53.13 by 33.96 by 4.77 mm, 17 g, for Grandstream DP720 DP750

Cameron Sino 900mAh 3.7V Nickel-Zinc Battery for Grandstream DP720 DP750

SKU CH-ZJSE-6AK3Q

Nickel-zinc 900 mAh 3.7 V replacement battery fits Grandstream DP720 and DP750 cordless phones

  • Battery pack size53.13 × 33.96 × 4.77
  • Battery typeNickel zinc
  • Battery capacity900 mAh
  • Battery voltage rating3.7 V
  • Details53.13 × 33.96 × 4.77
  • Product typeNickel zinc
  • Replacement battery for Grandstream DP720 and DP750 cordless phones
  • 900 mAh capacity at 3.7 volts delivers 3.33 Wh of energy
  • Nickel-zinc chemistry with integrated protection against overcharge, over-discharge and short circuit
  • Compact 53.13 x 33.96 x 4.77 mm pack fits original battery compartment
  • Certified to ISO 9001, RoHS and CE standards for safety and quality

Replacement Battery for Grandstream Cordless Phones

This Cameron Sino nickel-zinc battery replaces the original power cell in Grandstream DP720 and DP750 handsets. It delivers 900mAh capacity at 3.7 volts and measures 53.13 x 33.96 x 4.77 mm. The pack includes a fully decoded chip for direct compatibility.

Who Should Buy This and Who Should Not

Ideal for owners of the listed Grandstream models needing a fresh 900mAh nickel-zinc cell. Not suitable for users of other phone brands, different Grandstream handsets, or devices requiring a higher capacity or alternative chemistry such as lithium-ion.

Critical Specification: Voltage and Connector Match

The battery operates at 3.7 volts with a 900mAh rating and the exact physical layout for the DP720 and DP750. Confirm your original part number matches before purchase to ensure the connector aligns correctly.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $11.99
Pricier than about 55% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameCameron Sino
Model name8630, 8830
Product typeNickel zinc
Power
Battery typeNickel zinc
Battery capacity900 mAh
Battery voltage rating3.7 V
In the box
Battery pack size53.13 × 33.96 × 4.77

Questions about this item

What Grandstream cordless phone models does this 900mAh 3.7V battery replace?

It replaces the original battery in Grandstream DP720 and DP750 handsets, matching part numbers 8630 and 8830.

Will the existing charger base charge this nickel-zinc pack correctly?

Yes, the 3.7V chemistry and fully decoded chip work with the original DP720/DP750 charger; allow 2–3 full cycles for best capacity.

How can I verify the battery is seated and recognised after fitting it?

The handset should power on, show normal charge indication, and hold a call without unexpected shutdown once the connector is fully engaged.

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