Acer AL15A32 Aspire E5-422 Replacement Battery 14.8V 2200mAh
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Acer AL15A32 Aspire E5-422 Replacement Battery 14.8V 2200mAh - 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.
Acer AL15A32 Aspire E5-422 Replacement Battery 14.8V 2200mAh - is backordered and will ship as soon as it is back in stock.
Voltage
14.8V
Amp
2200mAh
Acer Aspire E5-422 / E5-472 Series — 14.8V Li-ion Replacement Battery (AL15A32)
This is a 14.8V, 2200mAh (32.56Wh) Li-ion battery for the Acer Aspire E5-422, E5-422G, E5-472, E5-472G, and over 230 compatible Aspire models. It replaces OEM part numbers AL15A32, KT.00403.025, KT.004B3.025, and KT.00403.034. If your original cell no longer holds a usable charge, this restores cordless operation to the machine.
- E5-422 and E5-472 platform fit: Both the E5-422 and E5-472 lines share the same 14.8V four-cell battery architecture and identical connector pinout. The BMS handshake protocol is consistent across these chassis, so one cell works across both variants without modification.
- Bench tested on actual hardware: We ran this cell through charge-discharge cycles on E5-422 hardware. The BMS communicated correctly with the BIOS, accepted a full charge without cutoff errors, and held voltage under sustained CPU and display load without triggering an unexpected shutdown.
- First-install calibration on the Aspire E5 series: After fitting this battery, run one full discharge until the laptop hibernates on low power, then charge it uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on these Aspire models.
BIOS reporting battery health as poor immediately after fitting a new cell
The Aspire E5 BIOS reads health data from the battery's EEPROM, which stores charge cycle history and rated capacity from the previous cell. When you swap in a new battery, the BIOS compares the new cell's EEPROM data against its stored baseline and flags a mismatch as poor health. This is not a fault with the replacement cell — it is stale data. Running one complete discharge-to-hibernate followed by a full uninterrupted charge allows the BIOS to rewrite its baseline and clear the warning. After two to three cycles, the health indicator should read normal.
Laptop shutting down at 20–30% charge shown on screen
This happens when the cell voltage drops below the BMS cutoff threshold before the fuel gauge reaches zero. Under full CPU and display load, the Aspire E5 draws enough current to expose a voltage sag that the gauge IC did not predict from its stored discharge curve — so the machine cuts out while the OS still shows charge remaining. The fuel gauge IC needs calibration cycles against the new cell's actual chemistry to recalculate that curve. Run three full discharge-to-hibernate and charge-to-100% cycles and the shutdown point will shift back toward 5% or lower. After calibration, resting cell voltage at the reported 20% mark should read above 14.4V.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Acer
- 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 Acer Aspire E5-422 BIOS shows "0%" or "unknown" right after I installed the new battery — is the cell dead?
The cell is not dead. The Aspire E5 BIOS reads capacity and cycle data from the battery EEPROM, and a fresh cell has no history that matches the BIOS baseline, so it reports unknown or zero until a learn cycle runs. Plug in the charger, let it charge uninterrupted to 100%, then discharge fully to hibernate cutoff. After one complete cycle the BIOS rewrites its baseline and the percentage returns to normal.
Windows is showing the wrong Wh rating in Device Manager after fitting this AL15A32 replacement — it says something different from 32.56Wh.
The Wh figure Windows reads comes from the battery EEPROM, which stores the manufacturer's rated value for the original cell chemistry. The replacement cell's EEPROM may carry a slightly different rated figure depending on the batch, and Windows reports that stored number rather than measuring actual energy. This is a data display difference, not a capacity fault. Check actual charge behaviour over two to three cycles — if the cell charges to full and holds voltage above 14.4V at rest, the cell is performing correctly regardless of what Device Manager shows.
My Aspire E5-422 charges to about 80% and then stops — the indicator light goes green but the battery never reaches 100%.
Some Acer BIOS versions ship with a charge-limit feature enabled that caps charging at 80% to reduce cell wear during long periods on mains power. This is a firmware setting, not a battery fault. Go into the BIOS setup (F2 at boot), look under the Power or Battery section, and disable the battery care or charge limit option. After disabling and rebooting, the cell will charge to 100%.
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