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Rectangular black lithium-ion phone battery with gold contacts

Cameron & Co

Cameron & Co DS-CS-CTR781SL cell phone battery 3.7V 1250mAh

SKU CH-RMCD-SBGM8 MPN DS-CS-CTR781SL

Replacement Li-ion battery for Casio C781 GzOne Ravine 2, 3.7V 1250mAh 4.63Wh

  • Compatible with Casio C781 and GzOne Ravine 2 handsets
  • 7 V 1250 mAh lithium-ion cell delivers 4.63 Wh capacity
  • Slim 5.60 mm profile fits original battery bay precisely
  • Cameron Sino manufacture ensures 100 % OEM-compatible performance
  • Replaces original part numbers BTR781 and BTR781BX-Longer

Compatible replacement for Casio C781

This Cameron & Co DS-CS-CTR781SL battery fits the Casio C781 and GzOne Ravine 2 handsets. It replaces original part numbers BTR781 and BTR781B. The lithium-ion cell delivers 3.7V and 1250mAh capacity. It is a new, 100% OEM-compatible unit supplied in black.

Upgrade from a depleted or failing original pack

When the original battery no longer holds a useful charge, this unit restores the phone’s runtime to factory levels. The 4.63 Wh rating matches the stock energy specification. The swap is worthwhile once talk time or standby has dropped noticeably below the device’s original performance.

1250 mAh capacity for daily voice and standby use

The 1.25 Ah cell comfortably powers routine calls, messaging and standby periods on the supported Casio models. It measures 53.15 x 35.12 x 5.60 mm to fit the existing compartment. Heavy data use or extended roaming will drain the pack faster than light usage.

How it compares

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

Price $13.99
Cheaper than about 60% of the 868 comparable items (median $14.99).

Specifications

Product
Brand nameCameron Sino
Model nameDS-CS-CTR781SL

Questions about this item

What are the exact dimensions of the DS-CS-CTR781SL so I can confirm it fits my Casio C781 GzOne Ravine 2 battery compartment?

The battery measures 53.15 mm long, 35.12 mm wide and 5.60 mm thick, matching the original Casio BTR781 form factor for a direct fit.

How do I install the DS-CS-CTR781SL in my Casio GzOne Ravine 2, and what is the common mistake to avoid?

Power off the phone, remove the back cover, lift the old battery by its tab, align the three contacts on the new pack with the phone pins, press gently until seated, then replace the cover; the step often missed is ensuring the label side faces outward so the contacts meet correctly.

When will the DS-CS-CTR781SL need replacement, and what should I buy?

After the runtime drops well below the rated 1250 mAh capacity, order another Cameron & Co DS-CS-CTR781SL — the same 3.7 V, 4.63 Wh Li-ion pack — to restore original run time.

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