Praktica DVC 510 PAC-0040 Replacement Battery 3.7V 1100mAh

Praktica DVC 510 / DR-15 / Z150 — 3.7V Li-ion Replacement Battery (PAC-0040)

This 3.7V, 1100mAh lithium-ion cell replaces the original PAC-0040 battery in the Praktica DVC 510, DR-15, Z150, IX-6s, and compatible models. It restores recording capability when the original cell no longer holds a usable charge. Voltage and connector match the OEM spec directly.

• DVC 510 and DR-15 platform fit: These models share the same 3.7V single-cell architecture and PAC-0040 form factor — same connector pinout, same BMS voltage thresholds, same physical footprint at 38.25 × 38.15 × 9.50mm.
• Bench tested on actual hardware: We cycled this cell through the DVC 510 body and confirmed the BMS handshake completes correctly, charge termination triggers at full capacity, and the camera body reports battery status without error flags.
• First-cycle initialisation on DVC 510: Run the first full charge through the camera body itself — not a standalone charger. The DVC 510 BMS maps the discharge curve during that initial cycle, which is what the battery-remaining indicator relies on for accurate readings afterward.

Dead battery indicator showing on a partially charged PAC-0040 replacement

The DVC 510 maps its battery indicator against a discharge curve calibrated to the original cell. A new third-party cell has a slightly different discharge profile, so the camera can read a partially charged cell as nearly empty. This is a calibration gap, not a fault with the cell itself. Run two full charge-to-empty cycles through the camera body to let the BMS re-map the curve. After that, the indicator should track within a normal range.

Camera body warm and battery draining faster during video recording

Sustained video recording on the DVC 510 pulls current from the sensor, image processor, and LCD simultaneously — well above the draw of still shooting. This combined load shortens usable charge faster than the still-image spec suggests. The cell is not faulty; the workload is heavier. If the body feels warm and charge drops quickly, switch to shorter recording clips and allow the body to cool between sessions to keep draw within the cell's sustained discharge rating.