Philips C625 6V Ni-MH Replacement Battery 2100mAh

Philips C625 / CPL-915 / M620 Series — 6V Ni-MH Replacement Battery

This is a 6V, 2100mAh Ni-MH replacement battery for Philips digital cameras including the C625, CPL-915, CVL-345, and M620, plus 29 additional compatible models. It matches the original cell's voltage and form factor. Capacity figure is taken from the product specification — 12.6Wh total energy.

• C625 and CPL-915 platform compatibility: These models share a common 6V battery bay and connector pinout. The BMS on each body reads voltage directly from the cell — no encrypted handshake — so a correctly rated Ni-MH cell seats and communicates without modification.
• Bench tested on actual hardware: We cycled this cell through charge and discharge on camera body hardware. The BMS accepted the cell on first insertion, voltage reporting tracked correctly through discharge, and the protection circuit tripped at the expected low-voltage threshold without fault logging.
• First-install charge cycle on Philips bodies: On Philips C625-series bodies, run the first full charge through the OEM charger or camera body before heavy shooting. Some Philips BMS implementations require a complete in-body charge cycle before the battery-remaining indicator maps accurately to the new cell's discharge curve.

Flash recycling slowing down before the battery indicator drops

The flash capacitor draws a sharp current spike each time it recharges between shots. As a Ni-MH cell ages or sits near the bottom of its charge, internal resistance rises and the cell can't deliver that spike fast enough. The camera body interprets this as normal operation — the battery indicator may still show partial charge. The actual fix is to check resting voltage with a multimeter: a healthy 6V Ni-MH cell at rest should read above 6.0V; anything under 5.7V mid-session means the cell is depleted even if the indicator disagrees.

Battery percentage jumping erratically on the C625 display

Ni-MH discharge curves are flatter than Li-ion, and Philips camera firmware maps voltage thresholds to percentage segments using assumptions tuned to the original factory cell. A replacement cell with a slightly different internal resistance will cause the indicator to skip levels — jumping from 80% to 40% with no warning. This is a firmware display issue, not a cell fault. To recalibrate the indicator, run two full charge-to-depletion cycles through the camera body so the BMS can re-map the cell's actual discharge curve.