Lenovo ThinkPad Yoga 11e 11.25V Replacement Battery 3650mAh
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Lenovo ThinkPad Yoga 11e 11.25V Replacement Battery 3650mAh - 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.
Lenovo ThinkPad Yoga 11e 11.25V Replacement Battery 3650mAh - is backordered and will ship as soon as it is back in stock.
Voltage
11.25V
Amp
3650mAh
Lenovo ThinkPad Yoga 11e 20GA000MUS — 11.25V Li-Polymer Replacement Battery (00HW042)
This 11.25V, 3650mAh (41.06Wh) lithium-polymer battery replaces the internal cell in the Lenovo ThinkPad Yoga 11e convertible notebook. It fits the 20GA000MUS, 20G8-S03400, 20GA0012, 20GA000QUS, and over 18 additional Yoga 11e configurations. OEM part numbers 00HW042, 00HW043, 00HW044, SB10J78990, SB10J78991, and SB10J78992 all cross to this cell.
- Yoga 11e convertible compatibility: The full Yoga 11e line shares the same 11.25V three-cell architecture, connector pinout, and BMS handshake regardless of touch or non-touch configuration — that's why one cell covers all 20GA and 20G8 variants on this list.
- Bench tested on actual hardware: We ran this cell on a Yoga 11e 20GA unit. The BMS completed handshake within one charge cycle, the BIOS recognised rated capacity, and charge current stepped down correctly at the 80% and 100% thresholds.
- Post-install calibration on the Yoga 11e: After fitting, let the laptop discharge fully until it hibernates on its own, then charge uninterrupted to 100% without using the machine. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on this platform.
Why the Yoga 11e shuts down at 20–30% after a battery swap
The Yoga 11e's fuel gauge IC builds a discharge curve against the original cell over hundreds of cycles. When a new cell goes in, that curve no longer maps to the fresh chemistry, so the IC calls empty well before the cell actually is. Under full CPU and display load, the platform then hits a voltage floor it was not expecting and cuts power. Running two to three full discharge-to-hibernate cycles recalibrates the IC against the new cell. After calibration, the shutdown-at-percentage behaviour stops.
BIOS reporting battery health as poor or capacity as wrong after replacement
The ThinkPad BIOS reads health data from EEPROM registers written by the original factory cell — the new cell's EEPROM carries its own rated values, which can differ from what the BIOS previously logged. This produces a "poor health" flag or an incorrect Wh figure in Lenovo Vantage immediately after install. It is not a fault with the replacement cell. Run the battery learn cycle — full discharge to hibernate, then uninterrupted charge to 100% — and the BIOS will rewrite its health baseline to match the new cell's actual 41.06Wh rating.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Lenovo
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-Polymer
- Battery Type: Li-Polymer
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The Yoga 11e is showing the new battery as 0% and won't charge — what's wrong?
This is a BMS handshake delay, not a dead cell. The ThinkPad BIOS sometimes locks charge current until it completes a recognition cycle with the new cell's EEPROM. Shut the laptop down completely, leave it plugged in for 10–15 minutes with the lid closed, then power on. If charge still reads 0%, hold the power button for 30 seconds with the charger disconnected to drain residual board voltage, reconnect, and boot — charge current should begin and the gauge will update above 0V within one cycle.
Lenovo Vantage is showing this battery at 38Wh instead of 41Wh — is the cell underspec?
No. Vantage pulls its Wh figure from the EEPROM design capacity register, which is written at the factory and may reflect a slightly different cell revision than the replacement. The actual electrochemical capacity of this cell is 41.06Wh. Run one full discharge-to-hibernate cycle followed by an uninterrupted charge to 100%, and the BIOS will recalculate its reported figure closer to rated capacity using real measured data.
Charge keeps stopping at 80% and won't go higher — is the battery faulty?
Almost certainly not. Lenovo's BIOS includes a Conservation Mode charge limit that caps charging at 80% to reduce cell stress during long AC-connected use. Check Lenovo Vantage under Power → Battery Charge Threshold and confirm Conservation Mode is off. If that setting is already disabled, open the BIOS (F1 at boot), navigate to Config → Power, and verify the charge threshold is set to 100%. Once disabled, the next charge cycle will run to 100%.
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