Shenider 52061 Replacement Battery 6V 2100mAh Ni-MH

Shenider 52061 / 53601 Series — 6V Ni-MH Replacement Battery

This is a 6V 2100mAh Ni-MH replacement battery for Shenider compact digital cameras including the 52061, 53601, 53704, and 53705 models, among others. It matches the original voltage and chemistry so the camera body and BMS receive the correct signal on startup. Capacity is 2100mAh (12.6Wh), sourced from the product specification.

• 52061 and 53601 series compatibility: These models share a common 6V Ni-MH voltage rail and battery form factor, meaning a single cell specification covers the full range. The connector pinout and physical dimensions (88.95 × 47.55 × 20.73mm) match the original housing without modification.
• Bench tested on actual hardware: We cycled this cell through charge and discharge on representative Shenider camera hardware. The BMS accepted the cell, reported charge status correctly after a full first cycle, and the protection circuit responded to low-voltage cutoff at the expected threshold.
• First-cycle charge protocol for Ni-MH cells: Ni-MH chemistry in camera bodies can trigger a false low-battery warning if the cell ships in a partially discharged state. Run the first full charge inside the camera body or OEM charger before shooting — this lets the BMS map the new cell's discharge curve and report remaining charge accurately.

Dead battery indicator showing on a partially charged replacement cell

Shenider cameras use a voltage-threshold method to estimate remaining charge in Ni-MH cells. A new replacement cell that ships at 40–60% charge can sit right at the threshold where the camera reads the voltage as critically low, triggering the dead battery icon even though the cell has usable capacity. This is not a faulty cell — it is the BMS misreading an uncalibrated discharge curve. Run one full charge cycle from empty to full before shooting, and the indicator should stabilise and track correctly from that point forward.

Battery percentage jumping erratically mid-shoot

Ni-MH cells have a flatter discharge curve than Li-ion, and Shenider's battery gauge is calibrated to a specific voltage-to-capacity map. When a replacement cell's curve differs slightly from the original — even within spec — the gauge can skip from 60% to 20% in a few shots, or jump upward when the camera idles. The fix is the same: complete two full charge-discharge cycles through the camera body so the BMS can recalibrate against the actual cell behaviour. After two cycles, percentage readout typically stabilises to within a few percent of real remaining capacity. If jumping continues beyond three cycles, check that the terminal voltage at full charge reads at least 7.2V before inserting.