Lenovo V4400 Replacement Battery 14.4V 2200mAh L15M4A01
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Lenovo V4400 Replacement Battery 14.4V 2200mAh L15M4A01 - 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.
Lenovo V4400 Replacement Battery 14.4V 2200mAh L15M4A01 - is backordered and will ship as soon as it is back in stock.
Voltage
14.4V
Amp
2200mAh
Lenovo V4400 / Ideapad 100 80QQ — 14.4V Li-ion Replacement Battery (L15M4A01)
This 14.4V, 2200mAh (31.68Wh) Li-ion battery replaces the original cell in the Lenovo V4400 notebook and Ideapad 100 80QQ series. It slots into the same bay and connects via the original multi-pin connector. Cross-references include L15S4A01, L15L4A01, and a range of 5B10-series Lenovo part numbers covering the TianYi100-14IBD and related variants.
- V4400 and Ideapad 100 platform fit: These models share the same 14.4V four-cell architecture and a common BMS handshake protocol. The replacement cell carries the same EEPROM-level identification data the Lenovo firmware expects, so the system recognises it on first boot without rejecting it as an unknown source.
- Bench tested on actual hardware: We ran this cell on a V4400 board and monitored the BMS through charge and discharge cycles. The protection circuit held cutoff at the correct low-voltage threshold and accepted a full charge without tripping the overcharge flag.
- Post-install calibration for the V4400: After fitting, drain the battery to hibernate cutoff under normal use — do not force-drain — then charge uninterrupted to 100%. This single learn cycle resets the BIOS fuel gauge against the new cell's actual capacity and clears the inaccurate health warning that appears after every cell swap on this platform.
Laptop shutting down at 20–30% shown after battery replacement
This happens because the fuel gauge IC still holds calibration data from the old, degraded cell. When the new cell reaches a voltage point the old profile mapped to 20–30%, the system treats it as depleted and cuts power. The cell itself has capacity remaining — the gauge just can't read it yet. Run one full discharge-to-hibernate cycle followed by an uninterrupted charge to 100%; after two to three cycles the gauge tracks correctly. If shutdown still occurs early, check that the BIOS is not enforcing a battery care charge limit below 80%.
BIOS reporting new battery health as "poor" immediately after install
The Lenovo BIOS reads health status from EEPROM wear data written by the old cell over its service life. A new cell arrives with fresh EEPROM counters that don't match the learned discharge curve the firmware expects, so it flags health as poor or unknown. This is a calibration state, not a fault. Complete one full discharge-to-hibernate cycle and a full uninterrupted charge; the BIOS recalculates health against actual cell behaviour and clears the warning. After the learn cycle, battery health should display as normal in Lenovo Vantage or the BIOS power screen.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Lenovo
- 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 Ideapad 100 shows the new battery as 0% and won't read it at all — is the cell dead?
The fuel gauge IC is reading EEPROM data from the old cell and hasn't registered the new one yet. Plug in the AC adapter and leave it charging for a full uninterrupted cycle to 100% before drawing any load. Once the BIOS completes its first full charge cycle against the new cell, the percentage readout initialises correctly. If it still shows 0% after a complete charge, reseat the battery connector and confirm the multi-pin tab is fully locked.
The replacement battery stops charging at 80% and won't go higher — is the battery faulty?
This is almost always the BIOS charge threshold, not a cell fault. Lenovo's battery care mode in BIOS or Lenovo Vantage caps charging at 80% to reduce long-term wear on cells kept plugged in. Open Lenovo Vantage, go to Device → Power, and check whether Conservation Mode or a custom charge limit is active. Disable it, unplug and replug the adapter, and the charge will continue past 80% to 100%.
System info shows the wrong Wh rating for this battery — it lists a different number than the label on the cell.
The Wh figure shown in Windows or the BIOS is pulled from the EEPROM on the old cell's firmware profile, not measured from the new cell directly. After the fuel gauge IC runs one full calibration cycle — a complete discharge to hibernate followed by a charge to 100% — it recalculates the actual energy capacity and updates the reported Wh value. The rated capacity for this cell is 31.68Wh; if the figure doesn't correct after two full cycles, check that the correct OEM part number (L15M4A01 or a listed cross-reference) is fitted, not a mismatched variant.
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