Alcatel OT-997 CAB32E0000C1 Compatible Battery 3.7V 1950mAh

Alcatel OT-997 / One Touch 997 Series — 3.7V Li-ion Replacement Battery (CAB32E0000C1)

This 3.7V Li-ion cell replaces the original battery in the Alcatel OT-997, OT-997D, One Touch 997, and One Touch 997D smartphones. Capacity is 1950mAh (7.22Wh), matching the factory specification. It also cross-references OEM part numbers CAB32E0002C1, TLiB32E, CAB32E0000C2, and TLiB5AF.

• OT-997 and 997D platform compatibility: Both the single-SIM OT-997 and dual-SIM OT-997D use the same battery bay dimensions (57.10 × 50.98 × 5.90mm), the same 3.7V nominal rail, and the same connector pinout — one cell covers both variants without modification.
• Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on OT-997 hardware. The BMS accepted charge handshake on first insertion and held voltage above the modem-load cutoff threshold throughout the discharge curve.
• Fuel gauge recalibration on first use: On first use after installation, run one complete discharge to shutdown and then a full charge before enabling any power-saving shortcuts — this gives the fuel gauge IC a clean discharge curve reference for the new cell, so percentage readings stay accurate from the start.

Why the OT-997 shuts down suddenly at 20–30% with a new cell

The OT-997's fuel gauge IC stores a learned discharge curve from the original cell. A new cell with different internal impedance hits a voltage cliff under modem or display load that the old curve did not predict. The phone's under-voltage protection trips before the reported percentage reaches zero. One full discharge-to-shutdown cycle followed by a complete charge resets the coulomb counter and trains the gauge to the new cell's actual curve.

OT-997 showing wrong battery percentage after cell swap

Percentage errors after a battery swap come from the fuel gauge IC still referencing the degraded capacity profile of the old cell. The counter was calibrated against hundreds of cycles on a worn cell — it does not reset automatically when a new cell is installed. The fix is straightforward: let the phone discharge fully until it powers off, then charge uninterrupted to 100%. After that single cycle, the gauge recalibrates its zero and full-charge reference points against the 1950mAh cell curve.