Sony NP-FM90 7.4V 4200mAh Camcorder Replacement Battery
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Sony NP-FM90 7.4V 4200mAh Camcorder Replacement Battery - 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.
Disclaimer
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.
Sony NP-FM90 7.4V 4200mAh Camcorder Replacement Battery - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
4200mAh
Sony CCD-TRV108 / CCD-TRV Series — 7.4V Li-ion Replacement Battery (NP-FM90)
This is a 7.4V, 4200mAh Li-ion battery pack for Sony CCD-TRV series camcorders, including the CCD-TRV108, CCD-TRV118, CCD-TRV128, and CCD-TRV138, among 62 additional compatible models. It replaces OEM part numbers NP-FM90, NP-FM91, NP-QM90, and NP-QM91. Cell capacity is rated at 31.08Wh and matches the original pack specification.
- CCD-TRV series compatibility: These camcorders share the same InfoLITHIUM battery rail and M-series connector, which is why a single pack covers all CCD-TRV models in this group. The BMS communicates remaining capacity back to the camera body over the same data pin used across the entire M-series platform.
- Bench tested on actual hardware: We cycled this pack through Sony's InfoLITHIUM charge protocol and confirmed the BMS handshake returned valid capacity data to the camera display. Charge acceptance was normal from zero through to full, with no cutoff events during the charge cycle.
- First charge on InfoLITHIUM bodies: Run the first full charge cycle through the camera body or Sony OEM charger — not a generic third-party charger. The InfoLITHIUM system calibrates its remaining-time display against the first charge cycle it records, and a generic charger may bypass the data handshake entirely.
Why the CCD-TRV108 rejects a new pack on first install
Sony's InfoLITHIUM system requires an initial authentication handshake before it accepts a new cell for display reporting. A freshly installed replacement may trigger a "no battery" or flashing indicator if the camera hasn't yet completed a charge cycle with that specific pack. This is a BMS initialisation check, not a fault with the battery. Insert the pack, connect the camera to the AC adaptor, and allow one full charge to complete — the camera will accept the pack and display capacity normally after that cycle.
Battery percentage jumping around on the CCD-TRV display
The InfoLITHIUM display maps remaining capacity against a voltage-discharge curve stored during the initial calibration cycle. A new cell has a slightly different discharge profile than a worn original, so the percentage counter can skip or stall at certain points until the system recalibrates. This is not a cell defect — it resolves after one or two full discharge and charge cycles. If the jumping persists past the second cycle, check the pack resting voltage with a meter: a healthy cell at full charge should read between 8.2V and 8.4V.
Compatible Models
Replaces Part Numbers
Technical Specifications
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
The CCD-TRV108 shows a blinking battery icon immediately after I put in the new pack — is the battery dead?
It isn't dead. Sony's InfoLITHIUM BMS runs an authentication check on first install, and a pack that hasn't completed a charge cycle inside the camera can trigger that blinking indicator. Connect the camera to its AC adaptor and let it charge fully from the body — do not use a generic charger for this first cycle. Once the charge completes, the icon should clear and the display will read capacity normally.
The battery percentage on my CCD-TRV138 drops from 80% to 20% in a few seconds — what's happening?
The InfoLITHIUM percentage display is calibrated against the discharge curve of the original cell. A new pack with a slightly different curve causes the indicator to skip thresholds rather than step down smoothly. Run two full discharge-and-charge cycles through the camera body, and the display will remap to the new cell's actual curve. If the erratic reading continues after two cycles, measure resting voltage after a full charge — it should sit between 8.2V and 8.4V.
My CCD-TRV128 runs fine in warm weather but the battery dies much faster when I'm shooting outdoors in the cold — why?
Li-ion cells lose available capacity as temperature drops because ion mobility in the electrolyte slows down, which effectively reduces the voltage the cell can sustain under load. At temperatures below 10°C, you can expect noticeably reduced output before the BMS hits its low-voltage cutoff and shuts the camera down. Keep the spare pack in an inside jacket pocket between shots to hold it near body temperature. Reinsert a warmed pack and the camera will resume normal operation.
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