Lenovo Yoga 7 14ARB7 L21M4PE3 Compatible Battery 15.36V 4450mAh
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Lenovo Yoga 7 14ARB7 L21M4PE3 Compatible Battery 15.36V 4450mAh - 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 Yoga 7 14ARB7 L21M4PE3 Compatible Battery 15.36V 4450mAh - is backordered and will ship as soon as it is back in stock.
Voltage
15.36V
Amp
4450mAh
Lenovo Yoga 7 14ARB7 / 14IAL7 Series — 15.36V Li-Polymer Replacement Battery (L21M4PE3)
This is a 15.36V, 4450mAh (68.35Wh) Li-Polymer battery for the Lenovo Yoga 7 14-inch convertible series. It replaces OEM part L21M4PE3, fitting the 82QF002RIN, 82QE007LYA, 82QE001ETA, 82QE00DRLM, and over 169 additional Yoga 7 14ARB7 and 14IAL7 variants. Cells are matched to the original voltage rail so the BMS handshake completes on first boot.
- Yoga 7 14ARB7 and 14IAL7 platform fit: Both the AMD (ARB7) and Intel (IAL7) Yoga 7 14-inch lines use the same L21M4PE3 cell pack, sharing an identical 15.36V four-cell configuration and connector pinout. The BMS communication protocol is the same across both processor variants, so one cell pack covers the full range without modification.
- Bench tested on actual hardware: We ran this cell on a Yoga 7 14IAL7 unit and confirmed the BMS accepted the pack, reported charge status correctly, and cycled through charge and discharge without triggering protection cutoff. BIOS battery information populated within the first full charge cycle.
- First-cycle calibration after install: After fitting, discharge the laptop to hibernate cutoff under normal use — do not manually force shutdown — then charge uninterrupted to 100%. This single learn cycle resets the BIOS fuel gauge against the new cell and clears the false "poor health" warning that appears after every cell swap on this platform.
BIOS reporting poor battery health immediately after replacement
The Yoga 7 BIOS reads health data stored in the old cell's EEPROM and compares it against the new pack on first boot. Because the new cell has no charge history, the firmware flags it as degraded or unknown — this is a data mismatch, not a fault with the cell. Running one full discharge-to-hibernate followed by a complete uninterrupted charge gives the fuel gauge IC enough data to recalibrate. After that cycle, BIOS health status normalises and Windows battery report reflects accurate figures.
Yoga 7 shutting down at 20–30% charge shown on screen
This happens when the fuel gauge IC still holds calibration data from the old, degraded cell. The percentage shown no longer maps accurately to actual cell voltage, so the laptop hits the low-voltage cutoff before the display reaches 0%. The fix is the same calibration cycle — full discharge to hibernate, then charge to 100% without interruption. After two complete cycles, the gauge IC relearns the new cell's voltage curve and the shutdown point drops back to the correct level near 5%.
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
My Yoga 7 shows 0% or "unknown" battery in Windows right after I installed the new cell — is the battery dead?
It is not dead. The fuel gauge IC on the Yoga 7 board loses its reference data when the old cell is removed and starts blank with a new one. Windows reads that blank state as 0% or unknown until the IC collects real charge data. Run a full discharge to hibernate cutoff, then charge uninterrupted to 100% — the gauge recalibrates against the new cell and Windows reports correctly after that cycle.
Windows battery report is showing 68Wh as the design capacity but the "full charge capacity" is reading much lower — is the cell underrated?
The EEPROM on the replacement cell carries rated chemistry data, which does not always match what the fuel gauge IC calculates during its first few partial cycles. The full charge capacity figure in Windows will read low until the IC has run two or three complete charge and discharge cycles against the actual cell. After those cycles the reported Wh figure converges on the real capacity. No action is needed beyond normal use through those first few cycles.
The Yoga 7 charges to 80% and stops — is the new battery faulty?
This is a BIOS-controlled charge limit, not a cell fault. Lenovo ships many Yoga 7 units with Conservation Mode enabled by default, which caps charging at 80% to reduce long-term cell stress. Open Lenovo Vantage, go to Power, select Battery Charge Threshold, and switch from Conservation Mode to Standard Mode — charging will then proceed to 100%.
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