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Sony NP-F730 Replacement Battery 7.4V 5200mAh Li-ion

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From $52.99 USD $65.99
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Fits Sony NP-F730, NP-F750, NP-F770, NP-F774 battery slots on Sony camcorders and professional video cameras.
7.4V at 5200mAh delivers 38.48Wh for extended recording without mid-session swaps on NP-F series cameras.
NP-F connector seats vertically into camera body or external recorder with single-tab locking mechanism.
Bench test showed clean voltage ramp on Sony BC-M50 charger with no mid-charge BMS cutoff or thermal throttle.
On first install in the camera body, run one full charge cycle through the camera itself—Sony BMS needs internal handshake to display accurate battery percentage and accept the cell for recording.
Delivery time

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

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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.

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

5200mAh

Sony NP-F730 / NP-F750 / NP-F770 — 7.4V Li-ion Replacement Battery (NP-F730, NP-F750, NP-F770, NP-F774)

This is a 7.4V, 5200mAh (38.48Wh) Li-ion battery built to the NP-F series form factor. It fits Sony camcorders and professional video cameras that use the NP-F connector and BMS protocol. The cell replaces OEM part numbers NP-F730, NP-F750, NP-F770, and NP-F774.

  • NP-F series platform compatibility: The NP-F730, NP-F750, NP-F770, and NP-F774 share the same physical connector, voltage rail, and BMS communication lines. Any camera body or accessory — on-camera monitor, LED light, or rig — expecting NP-F series will draw from the same 7.4V bus this battery provides.
  • Bench tested on actual hardware: We cycled this battery through Sony NP-F compatible devices and logged BMS handshake, charge acceptance, and cell voltage at rest. The protection circuit responded correctly to both low-voltage cutoff and overcharge events at each stage.
  • First-use charge cycle on NP-F bodies: Run one full charge directly in the Sony camera body or OEM charger before shooting. Some Sony BMS implementations require an internal charge cycle to calibrate the battery-remaining indicator — skipping this step can cause the display to read incorrectly for the first several uses.

Sony camera body rejecting a valid NP-F replacement on first install

Sony camcorders and video cameras use a BMS authentication routine that runs on first contact with a new cell. If the body has never seen this specific cell's internal resistance signature, it can flag the battery as unrecognised and refuse to power on. This is a one-time initialisation issue, not a defect. Insert the battery and charge it fully in the Sony body — do not pull it mid-charge. After one complete charge cycle, the body maps the new cell and accepts it for normal operation.

Battery percentage jumping or reading incorrectly mid-session

Sony's battery indicator maps percentage to a voltage-threshold curve calibrated against the original OEM cell's discharge profile. A replacement cell with a slightly different discharge curve hits those thresholds at different state-of-charge points, causing the indicator to jump — often dropping from 60% to 20% with no warning. This is a display calibration issue, not a capacity problem. Run two to three full charge and discharge cycles through the camera body to allow the BMS to remap the thresholds against the new cell's actual curve. After conditioning, percentage readout stabilises at real cell voltage of approximately 7.2V at mid-charge.

Replaces Part Numbers

NP-F730 NP-F750 NP-F770 NP-F774

Technical Specifications

Voltage7.4V
Amp Hours5200mAh
Capacity5200mAh
Rate38.48Wh
Net Weight205g /7.23 oz
Gross Weight275g /9.70 oz
Approximate Weight275g /9.70 oz
Dimension 70.60 x 38.70 x 41.50mm

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 camera shows "no battery" even though the NP-F replacement is fully seated — what's happening?

Sony camera bodies run a BMS handshake on first contact with any new cell. If the replacement hasn't completed a charge cycle inside the body, the authentication routine can fail and the body refuses to power on. Insert the battery, connect the camera to its OEM charger, and let it run a full charge to 100% without interruption. After that single cycle, the body accepts the cell and powers on normally.

The battery percentage drops from 80% to 15% in seconds during video recording — is the cell faulty?

Not necessarily. Sony's percentage indicator is mapped to voltage thresholds tuned for the OEM cell's discharge curve. Under sustained video load — sensor readout, processor, image stabilisation, and EVF all drawing simultaneously — a replacement cell hits those thresholds faster than the display expects, causing a sudden percentage drop. Run two full charge-discharge cycles through the camera body. The BMS recalibrates its threshold mapping against the new cell, and the readout stabilises. If the drop still occurs after three cycles, check resting voltage with a meter — a healthy cell at half charge reads between 7.2V and 7.4V.

On-camera LED light loses brightness partway through a shoot even though the battery still shows charge remaining — why?

High-draw accessories like LED panels pull continuous current that the NP-F series BMS monitors closely. When cell voltage sags under sustained load — even temporarily — the protection circuit reduces output current to stay within safe limits, and the light dims. This is distinct from the battery being depleted. Check that the accessory's draw rating matches the cell's continuous discharge spec. If the light is pulling above the cell's rated continuous output, switch to a shorter burst shooting pattern and allow the cell voltage to recover between takes — resting voltage should return above 7.2V within 30 seconds.

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