Sony NP-FV70 Replacement Battery 7.4V 1500mAh Li-ion
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Sony NP-FV70 Replacement Battery 7.4V 1500mAh Li-ion - 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-FV70 Replacement Battery 7.4V 1500mAh Li-ion - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
1500mAh
Sony HDR-TG1 / HDR-TG5 Series — 7.4V Li-ion Replacement Battery (NP-FV70)
This is a 7.4V, 1500mAh Li-ion replacement for the Sony NP-FV70 battery. It fits the HDR-TG1, HDR-TG3E, HDR-TG5, and DSC-HX1, along with over 300 additional Sony camcorder and camera bodies that share the same NP-FV series slot. The cell meets the original voltage and capacity spec — 11.1Wh — so the camera body draws current the same way it would with an OEM pack.
- NP-FV series platform compatibility: Sony built the HDR-TG1 through TG5 and several DSC bodies around a shared NP-FV connector and BMS handshake. All models in this series run the same 7.4V nominal rail and use the same charge-termination signals, so one cell covers the full platform without modification.
- Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on an HDR-TG5 body. The BMS accepted the cell on first install, charge termination triggered at the correct voltage ceiling, and the protection circuit tripped cleanly at the low-voltage cutoff without requiring a manual reset.
- First charge cycle on the HDR-TG1: Perform the first full charge inside the camera body or OEM charger — not a third-party multi-charger. Some Sony BMS firmware needs one complete in-body charge cycle to map the new cell's discharge curve and display battery-remaining percentage accurately.
Sony BMS rejecting the NP-FV70 replacement on first install
Sony's Handycam BMS runs an authentication check when a new cell is seated. If the cell has shipped partially discharged — typically below 3.5V per cell — the body may show a flashing battery icon or refuse to power on entirely. This is not a faulty cell. Insert the battery and connect the camera to the OEM AC adaptor for a full charge cycle before attempting to power on. Once the charge cycle completes and the cell reaches the correct resting voltage of approximately 8.2–8.4V, the body registers the pack and the icon clears.
Battery percentage jumping erratically on the HDR-TG1 display
The HDR-TG1 maps its battery-remaining indicator against a discharge curve that was calibrated to the original NP-FV70 cell. A new replacement cell has a slightly different voltage-to-capacity curve, so the indicator can jump — say, from 60% to 30% — without matching actual remaining capacity. Run two or three full charge-to-discharge cycles through the camera body. The BMS recalibrates its threshold mapping against the new cell's actual curve, and the percentage reading stabilises within those cycles.
Compatible Models
Replaces Part Numbers
Technical Specifications
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
The HDR-TG1 shows a dead battery icon even though I just charged this replacement — what's wrong?
This usually means the cell arrived below the voltage threshold Sony's BMS needs to recognise a valid pack. Seat the battery, plug the camera into the OEM AC adaptor, and let it complete a full charge cycle before powering on. The BMS re-evaluates the pack at the end of charge — once the cell reads approximately 8.2V at rest, the icon clears and the camera powers on normally.
Shot count seems much lower than expected when shooting video on the HDR-TG1 — is the cell underspec?
The HDR-TG1's optical image stabilisation, continuous autofocus, and LCD backlight all draw current simultaneously during video recording. That combined load pulls the 1500mAh cell harder than still-photo use, so the usable capacity depletes faster than the spec sheet implies under sustained video. Cold ambient temperatures below 10°C compound this further, as Li-ion internal resistance rises and effective capacity drops. If shot count is the priority, dim the LCD backlight in the camera menu — it's one of the higher-draw components and the easiest to reduce.
The HDR-TG1 body feels warm after extended recording and then shuts off — is that a battery fault?
The shutdown is thermal protection triggering inside the camera body, not a cell failure. The HDR-TG1's processor, sensor, and image stabilisation motor generate heat in the enclosed housing, and that ambient warmth raises the cell temperature above the BMS's upper threshold, tripping the protection circuit. The battery itself is not damaged. Remove the cell, let both the body and pack cool to room temperature for 10–15 minutes, then reseat and resume. If the shutdown recurs consistently, check that the ventilation area around the battery compartment is unobstructed.
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