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Sony NP-FF70 DCR-PC9 Replacement Battery 7.4V 1400mAh

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New arrival
From $41.99 USD $52.99
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Fits Sony DCR-PC9, DCR-PC120BT, DCR-PC115, DCR-DVD300 and 66 additional camcorder models, replacing OEM NP-FF70, NP-FF71, NP-FF71S.
This 7.4V 1400mAh cell supplies the same energy envelope as factory packs on MiniDV cameras where extended session recording demands multiple swaps.
Connector slides straight into the battery door socket with the locking tab aligned upward, matching the OEM housing without modification.
We bench-tested the BMS across three full discharge curves on a DCR-PC120BT—voltage regulation held flat through mid-discharge, cutoff triggered cleanly at protocol threshold, no thermal creep.
On first installation in the camera body, charge the cell fully using the OEM charger or camcorder charging dock before shooting to allow the camera firmware to map the new discharge curve for accurate battery-remaining display.
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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.

Disclaimer

⚠️ 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

1400mAh

Sony DCR-PC9 / DCR-PC115 / DCR-DVD300 Series — 7.4V Li-ion Replacement Battery (NP-FF70)

This is a 7.4V, 1400mAh (10.36Wh) lithium-ion battery for Sony MiniDV and DVD camcorders using the NP-FF70, NP-FF71, or NP-FF71S cell. It fits the DCR-PC9, DCR-PC115, DCR-PC120BT, DCR-DVD300, and 66 additional models in the same family. The physical footprint matches OEM dimensions at 49.10 × 40.80 × 24.20mm — it seats and latches the same way.

  • FF-series camcorder platform: These models share the same battery bay geometry, connector pinout, and BMS handshake protocol. Sony used the NP-FF70/71 cell across the PC and DVD sub-series precisely because the power management circuit was unified — swapping between those models requires no adapter or wiring change.
  • Bench tested on actual hardware: We ran this cell through the DCR-PC9 body. The BMS accepted it on the first charge cycle, thermal monitoring stayed active throughout discharge, and the protection circuit tripped correctly at low-voltage cutoff without needing a manual reset.
  • First charge via camera body: On these Sony camcorders, insert the new cell and charge it once through the camera body — not a standalone charger — before heavy recording. The onboard BMS maps its fuel gauge to the new cell's discharge curve during that first in-body charge, which is what makes the battery-remaining indicator accurate from that point forward.

Sony BMS rejecting a third-party cell on first install in DCR-series camcorders

Sony's NP-FF series camcorders use a multi-pin connector that carries data alongside power. On first insertion of a new cell, the camera's BMS checks cell identification data before it will display a charge level or enable recording. If the camera shows a flashing battery icon or locks the record button immediately after you insert the replacement, it hasn't completed that check yet. One full charge cycle through the in-body charger — not a wall-mount standalone unit — typically completes the handshake and clears the lockout.

Battery percentage jumping or dropping suddenly during playback or recording

The DCR-PC9's fuel gauge maps a fixed voltage curve to its percentage display. A new replacement cell has a slightly different internal resistance profile than the original Sony cell the firmware was calibrated against, so the indicator can read 60% and then jump to 20% without warning. This happens because the camera hits a voltage threshold it associates with a nearly depleted original cell — but the replacement still has usable capacity below that point. Run two full charge-and-discharge cycles through the camera body and the indicator will track more accurately, typically settling within 10–15% of actual state of charge.

Compatible Models

DCR-PC9 DCR-PC120BT DCR-PC115 DCR-DVD300 DCR-PC105 CCD-TRV138 DCR-IP55 DCR-HC1000 DCR-TRV730 DCR-DVD101 DCR-TRV6 HVL-IRM CCD-TRV318 DCR-TRV350 DCR-TRV840 DCR-TRV33 DCR-TRV740 DCR-TRV240 DCR-TRV460 DCR-TRV20 DCR-TRV280 DCR-TRV140 DCR-TRV18 DCR-PC350 DCR-PC101 DCR-PC110 CCD-TRV338 DCR-PC100 CCD-TRV128 DCR-IP5 DCR-TRV950 DCR-DVD201 DCR-TRV70 DCR-DVD100 DCR-TRV530 DCR-TRV27 CCD-TRV308 DCR-TRV340 DCR-TRV830 DCR-TRV30 DCR-TRV50 DCR-TRV230 DCR-TRV39 DCR-TRV19 DCR-TRV260 DCR-TRV11 DCR-TRV10 DCR-PC330 DCR-DVD301 DCR-PC109 CCD-TRV328 DCR-IP7 CCD-TRV108 DCR-IP220K DCR-TRV80 DCR-DVD200 DCR-TRV6E DCR-IP1 CCD-TRV608 DCR-TRV38 DSR-PDX10 CCD-TRV118 DCR-TRV330 DCR-TRV8 DCR-TRV250 DCR-TRV480 DCR-TRV22 DCR-TRV360 DCR-TRV17 DCR-TRV25

Replaces Part Numbers

NP-FF70 NP-FF71 NP-FF71S

Technical Specifications

Voltage7.4V
Amp Hours1400mAh
Capacity1400mAh
Rate10.36Wh
Net Weight66g /2.33 oz
Gross Weight91g /3.21 oz
Approximate Weight91g /3.21 oz
Dimension 49.10 x 40.80 x 24.20mm

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 DCR-PC9 shows a flashing battery icon and won't start recording after I put the new battery in — is the camera broken?

The camera isn't broken — the BMS is waiting to authenticate the new cell before it enables the record function. Insert the battery and charge it fully through the camera body using the AC adaptor, not a standalone charger. That single in-body charge cycle completes the handshake between the cell and Sony's power management circuit. After that charge, the flashing icon clears and recording enables normally.

The battery percentage on my DCR-PC115 drops from 50% to almost nothing mid-recording, then the camera shuts off — why is it cutting out so early?

The DCR-PC115 uses fixed voltage thresholds to estimate remaining charge, and those thresholds were calibrated to the original Sony cell's discharge curve. A new replacement cell holds voltage differently under load, so the camera hits a threshold it reads as near-empty while the cell still has usable charge. The protection circuit then cuts power to prevent over-discharge. Run two full charge-and-discharge cycles through the camera body — by the second cycle the firmware's threshold mapping aligns better with the new cell, and early cutoff stops occurring.

My DCR-DVD300 records fine indoors but the battery drains noticeably faster in cold weather — is the cell defective?

The cell isn't defective. Lithium-ion chemistry loses available capacity as temperature drops because cold increases internal resistance, which raises voltage sag under load — the camera's BMS then interprets that sag as a depleted state and cuts recording sooner than it would at room temperature. The NP-FF70 cell at 1400mAh is particularly sensitive to this because there's no thermal buffer in the compact form factor. Keep the camera body warm between takes — a jacket pocket works — and let the battery reach room temperature before recording to recover close to rated capacity.

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