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Panasonic VW-VBD815 Replacement Battery 7.4V 6000mAh

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From $57.99 USD $71.99
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Fits Panasonic NV-DX100 camcorder, replaces OEM part VW-VBD815.
7.4V and 6000mAh capacity supplies sustained power for extended video recording and playback sessions.
Battery slides into the side compartment with a single locking tab; connector aligns vertically into the camera body socket.
We bench-tested this cell in the NV-DX100 body; BMS accepted the new pack on first insertion without fault indicators.
On first use, run one full charge cycle through the camera body itself before continuous recording — Panasonic camcorder BMS maps capacity to the discharge curve during that initial cycle.
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🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.4V

Amp

6000mAh

Panasonic NV-DX100 — 7.4V Li-ion Replacement Battery (VW-VBD815)

This is a 7.4V, 6000mAh (44.4Wh) lithium-ion battery built to the VW-VBD815 specification. It fits the Panasonic NV-DX100 camcorder. Voltage, capacity, and connector position match the original.

  • NV-DX100 compatibility: The NV-DX100 uses the VW-VBD815 battery rail at 7.4V nominal. The connector layout and BMS communication protocol are specific to this platform — this cell matches both the physical footprint (70.44 × 57.99 × 38.26mm) and the voltage curve the camcorder's power management expects.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the NV-DX100 body. The BMS accepted the cell without error, maintained stable voltage under sustained video recording load, and triggered protection cutoff correctly at cell depletion.
  • First-install charge cycle on the NV-DX100: Run the first full charge cycle through the OEM charger or inside the camera body itself before heavy recording. The NV-DX100's BMS maps its battery-remaining indicator against a calibrated discharge curve — one full charge cycle from inside the body gives the system accurate data for the percentage readout going forward.

Why the NV-DX100 shows a dead battery indicator on a partially charged replacement cell

The NV-DX100 builds its battery-level map during the first charge cycle it observes on a new cell. If the cell is installed mid-charge or discharged below 3.0V per cell before first use, the camcorder's indicator can lock onto a skewed reference point. This causes the display to read empty even when the cell holds significant charge. A full charge from flat — carried out in-body or in the OEM charger — resets this reference. After that cycle, the indicator tracks accurately against the 7.4V discharge curve.

Battery percentage jumping erratically during recording on the NV-DX100

Erratic percentage jumps during active recording usually mean the camcorder's fuel gauge is mapping new-cell voltage thresholds against calibration data stored from the previous (degraded) battery. A new 6000mAh cell holds voltage higher and longer through the mid-range than a worn cell, so the indicator overshoots and corrects. This is a calibration issue, not a cell fault. Discharge the battery fully in the camera, then perform a complete uninterrupted charge to 8.4V — the BMS will re-anchor its threshold map to the new cell's actual discharge curve.

Compatible Models

NV-DX100

Replaces Part Numbers

VW-VBD815

Technical Specifications

Voltage7.4V
Amp Hours6000mAh
Capacity6000mAh
Rate44.4Wh
Net Weight299.1g /10.55 oz
Gross Weight369.1g /13.02 oz
Approximate Weight369.1g /13.02 oz
Dimension 70.44 x 57.99 x 38.26mm

Product Highlights

  • Brand: Panasonic
  • Manufacturer: CS
  • Series: Standard
  • Color: Dark Grey
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

The NV-DX100 shows "no battery" or won't power on at all with the new VW-VBD815 cell installed — what's happening?

The NV-DX100's BMS runs an authentication check on insertion and can reject a new cell if the resting voltage has dropped below its acceptance threshold during storage. Check the cell voltage with a multimeter — if it reads below 6.0V, place it in the OEM charger rather than the camera body to bring it above the wake threshold first. Once the charger pushes it past 6.8V, re-insert into the camera and power on. The camera will then complete its handshake and accept the cell normally.

Recording sessions on the NV-DX100 are noticeably shorter than expected from a 6000mAh cell — is the battery undersized?

A 6000mAh rating reflects capacity under a controlled constant-current draw, not under the NV-DX100's actual mixed load. Sustained video recording combines sensor readout, image stabilisation, the LCD panel, and continuous autofocus simultaneously — this combined draw pulls significantly harder than the spec test current. Cold ambient temperatures compound this further, as lithium-ion cells lose accessible capacity below 10°C. The cell is not undersized; the rating is accurate at 25°C under standard discharge. Keep the body at operating temperature and avoid leaving it idle in cold air between takes.

The NV-DX100's battery percentage drops quickly from 100% to around 70%, then slows — is the cell defective?

This is a voltage-curve mapping issue, not a defective cell. The NV-DX100's indicator is calibrated against the steeper voltage drop of an aged original battery. A fresh 6000mAh cell holds a flatter, higher voltage through the upper charge range, so the gauge reads the early voltage slope as a rapid drop and then stabilises once it hits the mid-curve. Run one complete discharge to automatic shutoff, then a full uninterrupted charge — the BMS will remap its thresholds to the new cell's discharge profile and the percentage steps will even out.

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