Nokia BL-5F N95 Replacement Battery 3.7V 950mAh

Nokia N95 / N93 Series — 3.7V Li-ion Replacement Battery (BL-5F)

This is a 3.7V, 950mAh Li-ion cell built to the BL-5F specification. It fits the Nokia N95, N93, N93i, and E65, along with ten additional Nokia models that share the same connector and voltage rail. If your original BL-5F has swollen, won't hold a charge, or the phone dies before the indicator hits zero, this is the direct swap.

• N95 / N93 / E65 shared platform: These models all run the same 3.7V single-cell architecture with an identical dock connector pinout. The BL-5F BMS handshakes with Nokia's charge IC on each of them — no firmware flag needed to accept the cell.
• Bench tested on actual hardware: We cycled this cell in an N95 and logged the BMS response through a full charge-discharge sequence. Charge termination triggered correctly at 4.2V and the low-voltage cutoff held at 3.0V without tripping prematurely under screen and GPS load.
• Fuel gauge recalibration on first use: On first installation, disable any power-saving fast-charge mode and run one complete discharge-to-charge cycle before relying on the percentage indicator. The fuel gauge IC in the N95 is calibrated to the old cell's discharge curve — one full cycle resets it against the new cell.

Sudden shutdown at 20–30% on the N95 after a cell swap

The N95's fuel gauge IC stores a discharge curve learned from the original cell. When a new cell goes in, the stored curve no longer matches the actual voltage-vs-capacity profile. The phone sees a voltage drop under modem or GPS load, interprets it as empty, and cuts power — even though the cell has capacity left. This isn't a fault with the replacement cell. Run one full discharge from 100% down to automatic shutdown, then charge uninterrupted to 100%, and the gauge IC relearns the curve against the new cell.

Phone feels warm near the battery slot on first charge

A new high-impedance cell generates slightly more heat during the first few charge cycles as the charge IC adjusts current delivery. This is normal and typically resolves after two to three cycles. If the phone stays warm past the third full charge, check that the battery contacts on the phone body are clean and making full contact — a partial contact increases resistance and heat. The battery temperature should stabilise once internal impedance drops with cycling.