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Sony NP-FP51D Replacement Battery 7.4V 680mAh Li-ion

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From $27.99 USD $34.99
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Fits Sony DCR-30 camcorder; replaces OEM battery NP-FP51D.
7.4V, 680mAh capacity delivers full power draw during extended video recording and playback sessions.
Sony L-series connector; slides into grip slot with positive terminal forward and locking tab engagement required.
Bench test ran full charge cycle in DCR-DVD203 body; BMS accepted cell after one charge-from-camera without authentication errors.
On first use with the DCR-30, charge this cell fully in the camera body before shooting — Sony's firmware maps capacity on initial charge cycle and may show erratic percentage display until that 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.

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: 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

680mAh

Sony DCR-30 / DCR-DVD Series — 7.4V Li-ion Replacement Battery (NP-FP51D)

This is a 7.4V, 680mAh lithium-ion replacement for the Sony NP-FP51D battery pack. It fits the DCR-30, DCR-DVD103, DCR-DVD202E, DCR-DVD203, and 58 additional Sony camcorder models in the DCR series. Voltage and cell chemistry match the OEM specification exactly.

  • DCR-DVD series compatibility: These camcorders share the same 7.4V battery bay, connector pinout, and BMS communication protocol across the range. One cell format covers the full lineup because Sony standardised the NP-FP51D footprint across this generation of DVD-based camcorders.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on DCR-series bodies. The BMS handshake completed without error, charge acceptance was normal, and the protection circuit tripped correctly at low-voltage cutoff — no false flags during recording or playback loads.
  • First-use charge cycle on the DCR body: Insert the battery and run a full charge directly through the camcorder body or Sony OEM charger before your first shoot. Some DCR-series BMS firmware requires one complete charge cycle from within the host device to calibrate the battery-remaining indicator accurately.

Sony DCR camcorder rejecting a third-party cell on first install

Sony's DCR-series bodies use a BMS authentication check on startup. A fresh replacement cell with a partial state of charge can trigger a "no battery" or "incompatible battery" flag even when the cell is electrically sound. The camera reads the cell's voltage at the moment of insertion and compares it against expected thresholds. If the resting voltage sits outside the expected window — common with a new cell that shipped at storage charge — the body rejects it before the communication handshake completes. Fix: place the battery in the OEM charger first, bring it to full charge, then insert it into the camcorder body.

Battery percentage jumping erratically on the DCR display

The DCR series maps remaining charge using voltage-threshold lookups tied to the discharge curve of the original NP-FP51D cell. A replacement cell with a slightly different internal resistance or discharge profile causes the indicator to jump — showing 60%, then 80%, then 40% within minutes. This is a calibration mismatch between the new cell's actual discharge curve and the camera's stored voltage map. Run two full charge-discharge cycles through the camcorder body to let the BMS recalibrate. After the second cycle, readings stabilise and track accurately to the 3.0V per-cell cutoff floor.

Compatible Models

DCR-30 DCR-DVD103 DCR-DVD202E DCR-DVD203 DCR-DVD203E DCR-DVD205 DCR-DVD305 DCR-DVD403 DCR-DVD403E DCR-DVD404E DCR-DVD405 DCR-DVD602 DCR-DVD602E DCR-DVD605E DCR-DVD653 DCR-DVD653E DCR-DVD703 DCR-DVD703E DCR-DVD705E DCR-DVD755E DCR-DVD803 DCR-DVD803E DCR-DVD805E DCR-HC16 DCR-HC16E DCR-HC17 DCR-HC17E DCR-HC18 DCR-HC18E DCR-HC19E DCR-HC20 DCR-HC20E DCR-HC21 DCR-HC21E DCR-HC22E DCR-HC26 DCR-HC26E DCR-HC30 DCR-HC30E DCR-HC30G DCR-HC30L DCR-HC30S DCR-HC32 DCR-HC32E DCR-HC33E DCR-HC39E DCR-HC40 DCR-HC40E DCR-HC40S DCR-HC40W DCR-HC41 DCR-HC42 DCR-HC43E DCR-HC44E DCR-HC46 DCR-HC65 DCR-HC85 DCR-HC85E DCR-HC94E DCR-SR100 HDR-HC3 HDR-HC3E

Replaces Part Numbers

NP-FP51D

Technical Specifications

Voltage7.4V
Amp Hours680mAh
Capacity680mAh
Rate5.03Wh
Gross Weight100g /3.53 oz
Approximate Weight100g /3.53 oz

Product Highlights

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

Frequently Asked Questions

My Sony DCR-30 shows "no battery" with the new cell installed — is the battery dead out of the box?

It is almost certainly not dead. DCR-series bodies check battery voltage at insertion and reject cells that read outside expected thresholds, which happens often with a replacement that shipped at storage charge. Pull the battery out, charge it fully in the OEM Sony charger or AC adaptor, then re-insert it into the camcorder. One full charge cycle clears the authentication flag in most cases.

The battery percentage on my DCR-DVD203 is jumping all over the screen — it went from 70% to 20% in two minutes.

The DCR firmware maps remaining charge to a fixed voltage-discharge table built around the original NP-FP51D cell's specific chemistry profile. A replacement cell with slightly different internal resistance reports voltages that don't land where the camera expects them, so the indicator skips around. Run two complete charge-discharge cycles through the camcorder body — not just the charger — and the BMS rewrites its reference points against the new cell's actual curve. Percentage readings typically stabilise after the second full cycle.

My DCR camcorder body gets noticeably warm during sustained video recording — is the new battery causing this?

The battery is not the primary source. During continuous video recording, the DCR body draws current simultaneously from the sensor, the image processor, the LCD, and the optical drive mechanism — the combined load generates heat from the body's own components, not just the cell. The battery does contribute some heat as it discharges under sustained draw, but the cell surface temperature on bench tests stayed within normal operating range throughout recording loads. If the body feels hot to the touch rather than warm, check that the ventilation slots on the camcorder chassis are clear of obstruction.

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