AL14A32 Acer Aspire E1-571 Replacement Battery 10.8V 4400mAh
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AL14A32 Acer Aspire E1-571 Replacement Battery 10.8V 4400mAh - 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
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
AL14A32 Acer Aspire E1-571 Replacement Battery 10.8V 4400mAh - is backordered and will ship as soon as it is back in stock.
Voltage
10.8V
Amp
4400mAh
Acer Aspire E1-571 / E5 Series — 10.8V Li-ion Replacement Battery (AL14A32)
This is a 10.8V, 4400mAh (47.52Wh) lithium-ion battery for the Acer Aspire E1-571 and E5 series laptops, including the E5-411, E5-421, and E5-421G among others. It replaces OEM part numbers AL14A32, KT.00603.008, KT.00603.013, AK.006BT.099, and 31CR17/65-2. Install it when the original cell no longer holds charge or the laptop won't run off AC.
- Aspire E1 and E5 platform fit: These models share the same 10.8V three-cell Li-ion architecture, identical connector pinout, and the same BMS handshake protocol — one battery services the full range without modification.
- Bench tested on actual hardware: We ran charge and discharge cycles on Aspire E5 hardware. The BMS negotiated correctly with the BIOS, charge current ramped as expected, and the protection circuit triggered cutoff at the rated low-voltage threshold without fault codes.
- First-cycle calibration on the Aspire E series: After fitting, run the laptop on battery until it hibernates from low charge, then charge uninterrupted to 100% without using the machine. This forces the Aspire's fuel gauge IC to re-learn the new cell's capacity curve and clears the inaccurate health warning that appears after every cell swap.
BIOS reporting poor battery health immediately after fitting the AL14A32
The Aspire BIOS reads health data from EEPROM registers that the old cell wrote over its lifetime. When a new cell goes in, those stale values don't match the fresh chemistry, and the BIOS flags the battery as degraded before it's even been used. This is a data mismatch, not a fault with the replacement. Run one complete discharge-to-hibernate cycle followed by a full uninterrupted charge to 100%. That sequence forces the BIOS to overwrite the legacy EEPROM data with values from the new cell.
Aspire shutting down unexpectedly at 20–30% charge shown on screen
This happens when the cell voltage drops below what the CPU and display can sustain under combined load — even though the gauge still shows charge remaining. The fuel gauge IC is calibrated against the old cell's discharge curve, so it underestimates how close the new cell is to its voltage cliff. The fix is calibration: drain fully to hibernate cutoff, then charge to 100% twice in a row without partial cycles. After two full cycles the gauge IC re-maps the curve and the shutdowns stop. Confirm the battery voltage reads above 11.1V at the charger before trusting the gauge again.
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 Aspire shows the battery Wh rating as wrong in system info after fitting this cell — is that a fault?
No — it's an EEPROM mismatch. The system reads the Wh figure stored in the old cell's EEPROM registers, not live data from the new cell. The AL14A32 is rated at 47.52Wh, but until the fuel gauge IC completes a full calibration cycle, Windows or the BIOS may display a different figure. Run one full discharge to hibernate followed by an uninterrupted charge to 100% and the reported Wh value will correct itself.
The fuel gauge is jumping around — showing 60%, then 45%, then back to 55% within minutes of unplugging. What's causing that?
The fuel gauge IC is still mapped to the discharge curve of the old cell. New chemistry behaves differently under load, and the IC hasn't learned the new profile yet, so it interpolates badly and the percentage swings. This settles after two or three complete charge-to-discharge-to-hibernate cycles with no partial top-ups in between. After the third full cycle, charge to 100% and check — the gauge should track within a few percent of actual remaining capacity.
The new battery charges but stops at 80% and won't go higher — is the cell defective?
Almost certainly not. Acer BIOS on E1 and E5 series includes a charge-limit firmware feature that caps charging at 80% when battery care mode is active. Check Acer Care Center or the BIOS power settings — look for "Battery Care Mode" or "Optimized Battery Health" and disable it. Once that setting is off, plug in and the charge will continue past 80% to 100% on the next cycle.
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