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Sony NP-FP50 Handycam Replacement Battery 7.4V 750mAh

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From $26.99 USD $33.99
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Fits Sony DCR-SR40, DCR-DVD703E, DCR-HC17 handycams; replaces NP-FP50, NP-FP30, NP-FP51 battery packs.
7.4V, 750mAh capacity delivers 5.55Wh total energy for extended recording sessions without mains power access.
Connector slides straight into camera body slot with positive terminal facing inward; locking tab seats flush against frame edge.
We ran full discharge cycles on DCR-SR40 body; BMS accepted cell on first install and held voltage curve through playback and recording modes.
On first use, charge this cell inside the camera body via AC adapter — Sony handycam firmware maps capacity to remaining-time display only after internal charge cycle completes.
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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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🔹 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: 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

750mAh

Sony DCR-SR40 / DCR-HC17 Series — 7.4V Li-ion Replacement Battery (NP-FP50)

This is a 7.4V, 750mAh Li-ion battery pack replacing the NP-FP50 in Sony Handycam camcorders. It fits the DCR-SR40, DCR-DVD703E, DCR-HC17, DCR-DVD602E, and 96 additional models sharing the same FP-series battery slot. The NP-FP30 and NP-FP51 are also covered by this cell.

  • FP-series platform fit: Sony's compact Handycam lineup from this era shares a common 7.4V battery rail and identical connector pinout across the FP30, FP50, and FP51 variants. The BMS communicates capacity data over the same data line, so one cell covers the full range.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a DCR-series body. The BMS accepted the cell without error flags, held voltage above 6.8V through the discharge curve, and the camera's remaining-battery indicator tracked consistently.
  • First-use charge cycle on the DCR-SR40: Run the first charge from inside the camera body or the OEM charger before shooting. The DCR-SR40's BMS maps its remaining-battery display to a discharge curve it calibrates on the first cycle — skipping this step causes the indicator to drop erratically mid-session.

Sony Handycam BMS rejecting a third-party cell on first install

Sony's FP-series BMS runs an authentication handshake on power-up. A new third-party cell sometimes fails this check and triggers a "battery info" or "incompatible battery" flag on the LCD. This is a communication timing issue, not a cell fault. Power the camera off, remove the battery, reinsert it, and power back on. If the flag persists, place the battery in the OEM charger for one full charge cycle before inserting it into the body — this initialises the cell's BMS state and resolves the handshake.

Battery percentage dropping suddenly from 50% to empty during recording

This happens when the camera's fuel gauge is calibrated to the original cell's discharge curve and the replacement cell has a slightly different voltage taper. The camera reads a voltage threshold it associates with a nearly empty cell and cuts the display accordingly, even if actual charge remains. Running one full charge-to-empty cycle allows the BMS to remap its thresholds to the new cell. After that single calibration cycle, the percentage readout stabilises across the discharge range.

Compatible Models

DCR-SR40 DCR-DVD703E DCR-HC17 DCR-DVD602E DCR-HC41 DCR-SR50 DCR-DVD203E DCR-HC43E DCR-DVD203 DCR-DVD605E DCR-HC65 DCR-HC40S DCR-DVD805E DCR-HC30 DCR-HC36E DCR-DVD505 DCR-DVD805 DCR-HC32E DCR-DVD505E DCR-DVD653 DCR-HC30G DCR-HC46E DCR-SR60E DCR-HC21E DCR-HC35E DCR-DVD304E DCR-HC18E DCR-HC24E DCR-SR70E DCR-HC16E DCR-HC23E DCR-SR80 DCR-DVD803E DCR-HC96E DCR-DVD405E DCR-DVD703 DCR-HC32 DCR-DVD602 HDR-HC3 DCR-HC21 HDR-HC3E DCR-DVD202E DCR-HC42E DCR-HC85 DCR-DVD705E DCR-HC40 DCR-HC40E DCR-DVD905E DCR-HC20 DCR-HC36 DCR-DVD405 DCR-DVD755 DCR-HC30S DCR-HC96 DCR-DVD605 DCR-HC30E DCR-HC46 DCR-SR40E DCR-HC20E DCR-HC26 DCR-DVD305E DCR-HC18 DCR-DVD205E DCR-SR50E DCR-HC16 DCR-DVD105E DCR-SR60 DCR-DVD803 DCR-DVD92 DCR-DVD653E DCR-HC42 DCR-HC28 DCR-DVD403E DCR-HC85E DCR-DVD403 DCR-HC26E DCR-DVD103 DCR-HC40W DCR-30 DCR-DVD755E DCR-HC39E DCR-SR100 DCR-DVD905 DCR-HC33E DCR-DVD404E DCR-DVD705 DCR-HC30L DCR-HC94E DCR-SR80E DCR-HC22E DCR-HC44E DCR-SR100E DCR-HC19E DCR-DVD305 DCR-SR90E DCR-HC17E DCR-DVD205 DCR-SR30E DCR-DVD92E DCR-DVD105

Replaces Part Numbers

NP-FP50 NP-FP30 NP-FP51

Technical Specifications

Voltage7.4V
Amp Hours750mAh
Capacity750mAh
Rate5.55Wh
Net Weight41g /1.45 oz
Gross Weight66g /2.33 oz
Approximate Weight66g /2.33 oz
Dimension 45.10 x 31.80 x 18.90mm

Product Highlights

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

Frequently Asked Questions

My DCR-SR40 shows "incompatible battery" after I fitted the replacement — is the cell faulty?

The cell is almost certainly fine. Sony's FP-series BMS runs a handshake on first power-up, and a new cell without a prior charge state can fail that check. Remove the battery, insert it into the OEM charger, and run one full charge cycle before putting it back in the camera body. That initialises the BMS state and clears the flag on the next power-up.

The battery percentage on my DCR-HC17 jumps from 60% straight to the low-battery warning after a few minutes of recording — what's going on?

The camera's fuel gauge is mapped to the original cell's voltage taper. When the replacement cell's discharge curve differs slightly, the camera hits a voltage threshold it reads as nearly empty — even though actual charge remains in the cell. Run one full charge-to-empty cycle so the BMS can remap its thresholds to the new cell's curve. After that calibration cycle, the percentage display tracks consistently through the full discharge range.

The DCR-SR40 drains noticeably faster in cold weather — is this a cell defect?

It's not a defect — it's a property of lithium-ion chemistry. Below around 10°C, internal cell resistance rises and usable capacity drops, sometimes noticeably on a 750mAh cell like the NP-FP50. Keep the camcorder inside a jacket pocket between shots rather than leaving it in cold air. Warming the camera body to room temperature before use recovers most of the capacity the cold suppresses.

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