Cadus Clipper 3.6V Ni-MH Replacement Battery 700mAh

Cadus Clipper — 3.6V Ni-MH Replacement Battery

This is a 3.6V, 700mAh Ni-MH replacement battery for the Cadus Clipper shaver. It fits the cordless grooming device directly and restores full cordless operation when the original cell no longer holds a charge. Capacity is 2.52Wh, matching the original cell specification.

• Cadus Clipper fitment: The Clipper runs a single Ni-MH cell at 3.6V to drive the motor and power the onboard charge controller. This replacement matches that voltage rail and physical form factor — 45.60 x 19.70 x 19.70mm — so the cell seats correctly in the housing without modification.
• Bench tested on actual hardware: We cycled this cell through charge and discharge on the bench, confirming the BMS accepted the cell without throwing a fault code and that the motor reached full speed from a cold start without triggering an undervoltage trip.
• Charging port care for the Clipper: After rinsing the shaver head, dry the charging port completely before docking — moisture bridging the charging contacts triggers a BMS protection fault that the device reports as a dead battery rather than a charging error.

Capacity fade from daily partial charging on the Clipper

Ni-MH cells in shavers are often charged daily after short use sessions, which means the cell rarely completes a full discharge-to-charge cycle. Over time this compresses the cell's usable voltage window and the onboard fuel gauge drifts out of calibration. The shaver then cuts out well before the indicator reaches empty, even though the battery is not actually flat. Running the cell down to cutoff before a full charge resets this drift and restores accurate indicator behaviour.

Motor speed dropping before the low-battery indicator activates

This happens when the cell's internal resistance has risen enough that motor load causes a voltage sag below the motor's operating threshold, but not yet below the BMS cutoff point. The indicator reads mid-charge while the motor visibly slows under cutting load. It is a cell condition issue, not a motor fault. Replacing the cell and running a full charge to 4.2V on the charger confirms whether the drop clears.