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Sony DCR-DVD101 Replacement Battery NP-QM91D 7.4V 4200mAh

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From $56.99 USD $69.99
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Fits Sony DCR-DVD101 and replaces OEM part number NP-QM91D.
7.4V and 4200mAh capacity delivers full power for recording and playback cycles on this mini-DVD camcorder.
Sony L-series connector slides into the battery slot with a locking tab; orientation is keyed and cannot reverse.
We bench-tested this cell in a DCR-DVD101 body — the BMS accepted the pack on first charge cycle without fault codes.
On first use, perform one full charge cycle in the camera body before heavy recording — the Sony BMS requires this cycle to map the new discharge curve for accurate battery-remaining display.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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Battery Care Tips

🔹 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

4200mAh

Sony DCR-DVD101 / DCR-TRV730 Series — 7.4V Li-ion Replacement Battery (NP-QM91D)

This is a 7.4V, 4200mAh (31.08Wh) lithium-ion battery built to the NP-QM91D specification. It fits the Sony DCR-DVD101, DCR-TRV730, CCD-TRV208, DCR-PC103, and over 160 additional Sony camcorder models that share the same battery bay and connector pinout. Capacity figure is from the product data — not estimated.

  • DCR and CCD series compatibility: These camcorders share a common battery interface across Sony's late-1990s to mid-2000s MiniDV and DVD lines. The NP-QM91D slot, voltage rail, and BMS communication protocol are consistent across the DCR-DVD, DCR-TRV, CCD-TRV, and DCR-PC sub-families — one battery fits all of them without adapter or modification.
  • Bench tested on actual hardware: We ran this cell through the Sony BMS handshake on a DCR-TRV730 body. The camera accepted the cell on first install, reported battery status without error flags, and the BMS cycled through charge termination cleanly at full capacity.
  • First charge via camcorder body: On the DCR-DVD101 and related models, Sony's BMS maps the battery-remaining display against charge data gathered during the first in-body charge cycle. Charge this cell through the camcorder — not a third-party standalone charger — on first use to allow accurate battery-level reporting.

Sony BMS rejecting the NP-QM91D on first install

Some Sony camcorder bodies from this era run an authentication check when a new cell is inserted. If the camera shows a blinking battery icon or refuses to power on, this is typically the BMS waiting for an initial charge handshake — not a defective cell. Insert the battery and connect the camcorder to AC power via the supplied adapter. Allow one full charge cycle to complete before attempting to run the camera on battery alone. After that first cycle, the BMS registers the cell and the camera operates normally.

Battery percentage jumping erratically during recording

The NP-QM91D has a different discharge curve than an aged original cell — it holds voltage higher across more of its capacity range. Sony's battery-remaining algorithm was calibrated against the original cell's curve, so a fresh replacement can cause the indicator to jump from 80% to 30% in a short window before stabilising. This is a display mapping issue, not a capacity fault. Run two full charge-discharge cycles through the camera body and the indicator will track the new cell's curve more accurately. The cell voltage at cutoff remains correct at the BMS level regardless of what the display shows.

Compatible Models

DCR-DVD101 DCR-TRV730 CCD-TRV208 DCR-PC103 DCR-TRV20E DCR-TRV950E CCD-TRV318 DCR-TRV530 DCR-TRV27 DCR-HC15E DCR-TRV18E DCR-TRV40E CCD-TRV116 DCR-TRV340 DCR-TRV8 DCR-HC14 DCR-TRV16E DCR-TRV345E DCR-TRV33 DCR-TRV480 DCR-DVD201E DCR-TRV14E DCR-TRV30E DCR-TRV240 DCR-TRV360 CR-DVD100E DCR-TRV140U DCR-TRV27E DCR-TRV22 DCR-TRV25 DCR-TRV12E DCR-TRV265 DCR-TRV17 DCR-PC120BT CCD-TRV730 DCR-PC8E DCR-TRV255 DCR-TRV11 DCR-DVD300 CCD-TRV428 DCR-PC6 DCR-TRV245E DCR-PC300K CCD-TRV138 CCD-TRV408 DCR-PC120 DCR-TRV240E DCR-PC105 CCD-TRV126 CCD-TRV228E DCR-PC105K DCR-TRV238E DCR-PC33 DCR-DVD201 DCR-TRV950 CCD-TRV218 DCR-PC104 DCR-TRV230E GV-D1000 DCR-DVD100 DCR-TRV70 CCD-TRV108E DCR-PC101K DCR-TRV19E DCR-TRV480E CCD-TRV308 DCR-TRV38 DCR-TRV840 DCR-HC15 DCR-TRV17K DCR-TRV355E DCR-TRV33K DCR-TRV740 DCR-DVD91E DCR-TRV16 DCR-TRV340E DCR-TRV30 DCR-TRV460 DCR-DVD200E DCR-TRV145E DCR-TRV300K DCR-TRV230 DCR-TRV280 CCD-TRV748E DCR-TRV140E DCR-TRV270E DCR-TRV20 DCR-TRV18 DCR-TRV11E DCR-TRV25E DCR-TRV15 DCR-PC101 CCD-TRV438E DCR-PC8 DCR-TRV250E DCR-PC9E CCD-TRV338 CCD-TRV418E DCR-PC330E DCR-TRV245 DCR-PC115 CCD-TRV128 CCD-TRV238E DCR-PC115E DCR-TRV24 DCR-PC100 DCR-TRV33E CCD-TRV228 DCR-PC105E DCR-TRV238 HVL-ML20M (Underwater Video Light) DCR-DVD200 DCR-TRV80 CCD-TRV208E DCR-PC103E DCR-TRV22E HVL-IRM CCD-TRV608 DCR-TRV6 DCR-TRV116 DCR-PC101E DCR-TRV18K DCR-TRV460E CCD-TRV118 DCR-TRV350 DCR-TRV830 DCR-HC14E DCR-TRV17E DCR-TRV355 DCR-TRV330 DCR-TRV50 DCR-DVD91 DCR-TRV15E DCR-TRV330E DCR-TRV250 DCR-TRV39 DCR-DVD101E DCR-TRV145 DCR-TRV285E DCR-TRV22K DCR-TRV260 DCR-TRV14 DCR-TRV265E DCR-TRV19 DCR-TRV10 CCD-TRV740 DCR-TRV10E DCR-TRV255E DCR-TRV140 DCR-DVD301 CCD-TRV428E DCR-PC6E DCR-TRV24E DCR-PC9 CCD-TRV328 CCD-TRV418 DCR-PC120E DCR-TRV240K DCR-PC110 CCD-TRV108 CCD-TRV238 DCR-PC110E DCR-TRV239E CCD-TRV408E DCR-HC88 DCR-TRV430E CCD-TRV218E DCR-PC104E DCR-TRV235E DSR-PDX10

Replaces Part Numbers

NP-QM91D

Technical Specifications

Voltage7.4V
Amp Hours4200mAh
Capacity4200mAh
Rate31.08Wh
Net Weight226g /7.97 oz
Gross Weight296g /10.44 oz
Approximate Weight296g /10.44 oz
Dimension 55.75 x 38.65 x 59.80mm

Product Highlights

  • Brand: Sony
  • 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

My Sony DCR-DVD101 shows a blinking battery icon and won't start — is the replacement cell dead?

Almost always not. Sony camcorders from this generation run a BMS authentication check on every new cell insertion. The blinking icon means the camera is waiting for a charge handshake, not that the cell has failed. Connect the camcorder to AC power with the battery inside and let it complete one full charge cycle. After that cycle, the BMS registers the cell and the camera starts normally.

The battery percentage on my DCR-TRV730 drops from 70% to nearly empty in seconds — what's wrong?

Nothing is wrong with the cell itself. A fresh 4200mAh cell holds a flatter, higher voltage across its discharge range than the degraded original it replaced. Sony's battery-remaining indicator was mapped to the original cell's steeper curve, so it misreads the new cell's discharge profile and the percentage jumps erratically. Run two full charge-discharge cycles through the camcorder body. After that, the BMS recalibrates its threshold mapping and the display tracks accurately.

My DCR-DVD101 gets warm quickly during recording with the new battery — is that a battery problem?

The camcorder body warming during recording is normal on this platform — it is driven by the DVD optical drive spinning continuously, the image processor, and the CCD sensor, not the battery cell itself. The NP-QM91D supplies current at 7.4V into all of those loads simultaneously. If the heat is coming from the battery compartment specifically rather than the body centre or lens barrel, check that the battery contacts are seated flush — a partial contact causes resistive heating at the connector. Reseat the cell firmly until it clicks into the bay lock.

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