M-Life ML0639 Compatible Battery Nokia N95 3.7V 950mAh
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M-Life ML0639 Compatible Battery Nokia N95 3.7V 950mAh - 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.
M-Life ML0639 Compatible Battery Nokia N95 3.7V 950mAh - is backordered and will ship as soon as it is back in stock.
Voltage
3.7V
Amp
950mAh
M-Life Nokia N95 / N95 8GB — 3.7V Li-ion Replacement Battery (ML0639)
The M-Life ML0639 is a 3.7V, 950mAh Li-ion cell that replaces the original battery in the Nokia N95 and N95 8GB. It restores power to calls, messaging, and onboard applications when the factory cell can no longer hold a usable charge. Voltage and capacity match the OEM specification exactly.
- N95 and N95 8GB compatibility: Both handsets run the same voltage rail and use an identical battery connector and BMS handshake. One cell covers both variants without modification.
- Bench tested on actual hardware: We cycled the ML0639 through charge and discharge on an N95 unit. The BMS accepted the cell without error flags, and the charge IC reached full termination voltage cleanly on each cycle.
- Fuel gauge recalibration on first install: On first use, disable any power-saving shortcuts and let the phone run one complete discharge down to auto-off, then charge uninterrupted to 100%. This lets the N95 fuel gauge IC map the new cell's actual discharge curve before it begins reporting percentage to the OS.
Why the N95 reports wrong battery percentage after a cell swap
The Nokia N95 uses a fuel gauge IC that builds a discharge model against the cell it was last calibrated to. Swap in a new cell and that model no longer matches the actual chemistry. The gauge reads voltage and translates it into a percentage using stale data, so the number on screen drifts from reality. One full uninterrupted discharge-to-charge cycle resets the coulomb counter and re-anchors the percentage to the new cell's real curve.
Sudden shutdown at 20–30% on the replacement cell
This is a voltage cliff issue, not a capacity fault. Under combined load — WLAN radio, display, and GPS active simultaneously — the N95 draws enough current to pull cell voltage below the BMS cutoff threshold before the fuel gauge hits 0%. The phone shuts off hard to protect the cell. Run that first full calibration cycle with typical app usage active, and the gauge will learn where the real voltage floor sits under that load. If shutdowns persist past two full cycles, measure resting cell voltage after shutdown — it should be above 3.4V.
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: M-Life
- 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 N95 won't power on at all after the new battery sat in storage — is the cell dead?
Probably not dead, but the BMS has gone into lockout. If cell voltage drops below roughly 2.5V during storage, the protection circuit disconnects the cell to prevent damage and the phone sees nothing when you press power. Connect the phone to a wall charger — not a USB port — and leave it for 20–30 minutes without pressing anything. The charge IC will trickle current into the cell until voltage rises enough for the BMS to unlock, at which point the Nokia charging screen should appear.
The phone feels noticeably warm near the battery compartment during the first few charges — is that normal?
Yes, and it is specific to the first few cycles on a new cell. A fresh high-impedance Li-ion cell dissipates slightly more energy as heat during the initial charge cycles as the internal resistance settles. The warmth should reduce after two or three full charge cycles. If the back of the handset becomes hot to the touch or the charge stops before reaching 100%, remove the phone from the charger, let it cool to room temperature, and restart the charge.
The battery percentage jumps around erratically — drops 15% in minutes, then climbs back up without charging.
That is the fuel gauge IC recalibrating against a cell it has not yet profiled. The N95's coulomb counter is still using the discharge model from the old cell, so any load spike — a call, a GPS fix, a background sync — sends the percentage reading off-script. Run one complete discharge from 100% down to auto-off shutdown, then charge in a single uninterrupted session back to full. After that cycle the gauge rewrites its model to the new cell and the percentage reading stabilises.
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