Sony NP-QM50D Camcorder Replacement Battery 7.4V 1300mAh
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Sony NP-QM50D Camcorder Replacement Battery 7.4V 1300mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
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.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
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Disclaimer
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Sony NP-QM50D Camcorder Replacement Battery 7.4V 1300mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
1300mAh
Sony CCD-TRV108 / CCD-TRV128 Series — 7.4V Li-ion Replacement Battery (NP-QM50D / NP-QM51D)
This is a 7.4V, 1300mAh Li-ion replacement battery for Sony Handycam camcorders using the NP-QM50D or NP-QM51D cell. It fits the CCD-TRV108, CCD-TRV118, CCD-TRV126, CCD-TRV128, and over 77 additional Sony CCD-TRV and DCR series models. Dimensions are 55.60 × 38.30 × 20.50mm — same form factor as the original.
- CCD-TRV and DCR series compatibility: These camcorder bodies share the same InfoLITHIUM battery rail and communication protocol. The NP-QM50D and NP-QM51D slots fit the same bay, use the same five-pin connector, and the BMS speaks the same voltage reporting language — which is why one cell covers so many Sony bodies across that generation.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a CCD-TRV series body. The BMS handshake completed without error, the InfoLITHIUM percentage indicator tracked consistently through the discharge curve, and no overcurrent trips fired during motor-driven tape transport.
- InfoLITHIUM display calibration on first use: On first install, run one complete charge cycle through the camera body or Sony OEM charger — not a third-party charger — before shooting. The InfoLITHIUM system maps remaining time against a baseline charge profile. Skipping this step causes the minutes-remaining display to read incorrectly from the first session.
Sony InfoLITHIUM rejection on third-party cell first install
Sony's InfoLITHIUM protocol sends a handshake query to the battery before the camera body boots fully. If the cell sits in storage at low voltage — common with replacement stock — the BMS may not respond fast enough and the camera throws a battery error before any charging occurs. This is not a defective cell. Insert the battery, connect the AC adapter or OEM charger, and let it sit for 15 minutes before powering the camera on. Once the cell voltage rises above approximately 6.8V, the handshake completes and the body accepts it normally.
Battery percentage jumping erratically during recording
The InfoLITHIUM display calculates remaining capacity against a voltage-threshold curve calibrated to the original cell's discharge profile. A new replacement cell — even a correctly specced one — discharges along a slightly different curve until the camera has logged one full cycle. Percentage readings can jump several points up or down mid-recording during that first cycle. Run one full charge-to-empty cycle without interruption and the indicator stabilises. After that cycle, readings should track within a few percent across a normal discharge.
Compatible Models
Replaces Part Numbers
Technical Specifications
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 Handycam shows a battery error immediately after I put in the new cell — did I get a bad battery?
This is the InfoLITHIUM handshake failing at low cell voltage, not a defective battery. Replacement cells often ship at storage voltage, which can be too low for the camera's BMS to read a valid response on startup. Connect the AC adapter or OEM charger with the battery already inserted and leave it for 15–20 minutes before pressing power. Once cell voltage clears approximately 6.8V, the camera accepts the battery without errors.
The remaining-time counter on my CCD-TRV128 is jumping all over the place with the new battery — is the capacity wrong?
The capacity is correct at 1300mAh — the issue is the InfoLITHIUM system recalibrating its voltage-to-time map against a new cell's discharge curve. Until the camera logs one complete charge-and-discharge cycle, the threshold lookup mismatches and produces erratic readings. Run the battery from a full charge down to automatic shutoff in a single session without recharging mid-way. After that one cycle, the counter tracks accurately.
The tape transport on my CCD-TRV108 seems to drain the battery faster than I expect during playback — is that normal?
MiniDV tape transport draws significantly more current than recording standby because the capstan motor, pinch roller, and head drum all spin simultaneously. On a 1300mAh cell, that combined mechanical draw is higher than most users account for when estimating use from spec alone. Keep the LCD closed during long playback sessions — the backlit panel adds measurable draw on top of the transport load. If the camera cuts out before the indicator hits zero, the BMS is tripping on current draw spike, not low capacity; check that the tape path and heads are clean, as a sluggish mechanism increases motor current.
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