NEC VMA80 Replacement Battery 6V 2100mAh Ni-MH

NEC VMA80 — 6V Ni-MH Replacement Battery

This is a 6V, 2100mAh Ni-MH replacement battery for the NEC VMA80 digital camera. It slots in where the original cell has worn down or stopped holding charge. Capacity is rated at 12.6Wh — matching the VMA80's power draw for imaging and video capture.

• VMA80 platform fit: The VMA80 runs a 6V power rail shared across its imaging processor, recording functions, and display. This cell matches that voltage requirement and the physical footprint at 88.95 × 47.55 × 20.73mm — no adapter or modification needed.
• Bench tested on actual hardware: We cycled this cell through the VMA80's charge and discharge sequence. The BMS accepted the cell on the first charge cycle via the OEM charger, and the camera's battery indicator tracked the discharge curve without erratic jumps.
• First-cycle initialisation on the VMA80: Run the initial charge from inside the camera body or the OEM charger rather than a third-party charger. The VMA80's battery management system calibrates its remaining-charge display against the first full cycle — skipping this step causes the indicator to misread the cell's state of charge from the outset.

Why the VMA80 battery indicator jumps erratically after fitting a new cell

The VMA80 maps battery percentage against a voltage-threshold curve calibrated to the original cell's discharge profile. A fresh Ni-MH replacement has a flatter discharge curve than a degraded original, so the camera's indicator can read the voltage incorrectly and show sudden drops or jumps. This is a calibration mismatch, not a fault with the cell. Running one full charge-discharge cycle through the camera body resets the threshold mapping and brings the display back into step with actual remaining capacity.

VMA80 showing dead battery indicator on a partially charged replacement

A new Ni-MH cell can sit at a low resting voltage after shipping — sometimes below the VMA80's low-battery detection threshold. The camera reads this as a depleted or absent cell and refuses to power on fully. This is not a fault with the camera or the battery. Place the cell in the OEM charger until it reaches a full charge state, then reinsert — resting voltage on a full Ni-MH cell should read at or above 6.0V.