Minolta NP-700 DG-X50-K Replacement Battery 3.7V 700mAh

Minolta DG-X50-K / DiMAGE X50 Series — 3.7V Li-ion Replacement Battery (NP-700)

This is a 3.7V, 700mAh Li-ion cell built to the NP-700 spec. It fits the Minolta DG-X50-K, DG-X50-R, DG-X50-S, and DiMAGE X50 compact digital cameras. Slide it into the same battery door as the original and the camera powers on normally.

• DG-X50 and DiMAGE X50 compatibility: These models share the same NP-700 voltage rail, contact layout, and BMS handshake requirements. One cell covers the whole group — no connector adaptation needed.
• Bench tested on actual hardware: We cycled this cell through charge and discharge on the DG-X50 body. The BMS accepted the cell without errors, and the battery indicator tracked normally through the discharge curve.
• First-cycle calibration on NP-700 cameras: Run one complete charge cycle through the camera body or OEM charger before shooting heavily. Some DiMAGE-series bodies need that first in-camera charge to map the new cell's discharge curve correctly and show accurate battery-remaining bars.

Dead battery indicator showing on a partially charged NP-700 replacement

The DG-X50 body reads battery level by comparing cell voltage against a stored discharge curve. A fresh replacement cell has a slightly different resting voltage profile than a broken-in original. The camera can misread this as a critically low charge and throw a dead-battery warning even when the cell has capacity remaining. One full charge-discharge cycle through the camera body resets the mapping and clears the false indicator.

Battery percentage jumping erratically on the DG-X50 display

This happens when the camera's voltage-threshold table doesn't yet match the new cell's discharge curve — the indicator jumps between levels rather than stepping down smoothly. It is a calibration gap, not a fault with the cell itself. Drain the battery fully until the camera shuts off, then charge it to 100% without interruption. After that single recalibration cycle, the percentage readout tracks steadily from full down to 3.7V cutoff.