Sony HDR-TG1 Replacement Battery NP-FV90 7.4V 2200mAh
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Sony HDR-TG1 Replacement Battery NP-FV90 7.4V 2200mAh - 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 HDR-TG1 Replacement Battery NP-FV90 7.4V 2200mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
2200mAh
Sony HDR-TG1 / DSC-HX1 Series — 7.4V Li-ion Replacement Battery (NP-FV90)
This is a 7.4V, 2200mAh lithium-ion replacement for the Sony NP-FV90 battery. It fits a broad range of Sony camcorders and cameras including the HDR-TG1, HDR-TG3E, HDR-TG5, and DSC-HX1. Capacity matches the OEM specification at 16.28Wh.
- HDR-TG and DSC-HX platform compatibility: These models share the same 7.4V InfoLITHIUM battery bay, connector pinout, and BMS handshake protocol — which is why one NP-FV90 cell spans both camcorder and camera bodies in this lineup.
- Bench tested on actual hardware: We cycled this cell through the HDR-TG1 body and a Sony OEM charger. The BMS handshake completed on first connection, charge acceptance was normal, and the InfoLITHIUM remaining-time display stabilised after one full charge cycle.
- First-cycle requirement on InfoLITHIUM bodies: Sony's InfoLITHIUM system maps battery percentage against a learned discharge curve. Run the first full charge inside the camera body or OEM charger — not a generic third-party charger — so the body can calibrate the fuel gauge to this cell's specific discharge profile.
Sony InfoLITHIUM BMS rejecting a third-party cell on first install
Sony's InfoLITHIUM protocol requires a handshake between the battery's onboard IC and the camera body before it will display charge state or allow recording. A new third-party cell often enters this handshake in an unknown state, so the body flags it as unreadable rather than defective. Inserting the battery and charging it to full via the Sony OEM charger — or directly through the camera's USB/DC input — initialises the IC correctly. After one complete charge cycle this way, the body accepts the cell and the remaining-time indicator functions normally.
Battery percentage jumping or reading incorrectly on the HDR-TG1 display
The HDR-TG1 maps its on-screen battery percentage to voltage thresholds calibrated against Sony's OEM discharge curve. A replacement cell with a slightly different discharge curve will cause the indicator to jump — for example, dropping from 60% to 20% without warning. This is a display calibration issue, not a cell fault. Run two full charge-discharge cycles through the camera body, and the InfoLITHIUM system re-maps the thresholds to the new cell. After the second cycle, percentage readout should track within a few points of actual remaining capacity.
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
My Sony HDR-TG1 shows "no battery" even though the NP-FV90 replacement is fully inserted — what's happening?
This is the InfoLITHIUM authentication check failing on first contact, not a dead cell. The camera body sends a handshake signal to the battery IC before it will recognise any charge state. Remove the battery, reinsert it firmly, then charge it to full inside the camera body using the OEM AC adaptor. That single charge cycle completes the IC handshake and clears the "no battery" flag.
The shot count on my DSC-HX1 is lower than I expected from a 2200mAh cell — why?
The DSC-HX1 draws from the battery across multiple simultaneous loads: sensor readout, continuous autofocus, optical image stabilisation, and the LCD — none of which appear in a basic shot-count estimate. Cold ambient temperatures above 15°C also suppress usable capacity by narrowing the voltage window the BMS will operate within. Actual shot count will always fall short of the CIPA figure when any of those subsystems run continuously. To maximise capacity per charge, switch the LCD to power-saving brightness and limit continuous AF during still shooting.
The flash on my Sony HDR-TG series camera takes noticeably longer to recycle between shots with this new battery — is something wrong?
Flash capacitor recharge pulls a sharp current spike — typically the highest instantaneous draw the body sees. If the cell voltage is sitting below 7.0V at rest, that recharge current causes a voltage sag that the BMS throttles to protect the cell, which extends recycle time. Charge the battery fully to 8.4V before a shoot and check that the first charge was done through the Sony OEM charger to ensure the BMS accepted the cell correctly. If recycle time is still slow on a full charge, confirm terminal voltage at the battery contacts with a multimeter — it should read between 8.2V and 8.4V immediately after a full charge.
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