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Acer Aspire V5 14.8V Replacement Battery AL12A32 2400mAh

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From $98.99 USD $117.99
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Fits Acer Aspire V5, Aspire V5-471G, Aspire V5-431, and related models; replaces OEM part AL12A32.
14.8V, 2400mAh lithium-ion delivers 35.52Wh to restore full charge cycles on degraded packs.
Connector slides into the battery bay slot with a single locking tab; no modifications needed.
We bench-tested the cell against the original AL12A32; BMS accepted the new pack on first insertion with normal charge curve.
After installation, discharge fully to system hibernation cutoff, then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears inaccurate health warnings.
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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

🔹 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: 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.

Voltage

14.8V

Amp

2400mAh

Acer Aspire V5 Series — 14.8V Li-ion Replacement Battery (AL12A32)

This is a 14.8V, 2400mAh (35.52Wh) Li-ion replacement battery for the Acer Aspire V5 notebook series. It fits the Aspire V5-471G, V5-431, V5-531, and 31 additional V5 variants. Install it when the original cell can no longer hold a charge or the system shuts down unexpectedly under load.

  • V5 series compatibility: All listed Aspire V5 models share the same 14.8V four-cell Li-ion rail, the AL12A32 connector layout, and a common BMS handshake protocol — so one replacement cell works across the full V5 lineup without adapter or firmware difference.
  • Bench tested on actual hardware: We ran this cell through a full charge-discharge cycle on a V5-471G. The BMS reported correct voltage at each stage, accepted charge without cutoff errors, and held stable voltage under combined CPU and display load.
  • Post-install calibration for V5 units: After fitting this cell, run one full discharge down to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap.

Why the Aspire V5 shuts down at 20–30% after a battery swap

The Aspire V5 BIOS maps discharge curves from the previous cell's EEPROM data. After a swap, it still references the old voltage curve, so when the new cell hits a voltage the BIOS misreads as near-empty, it triggers an emergency shutdown. This is not a fault with the replacement cell. Run one full discharge to hibernate cutoff followed by an uninterrupted charge to 100% — this forces the fuel gauge IC to re-map against the new cell's actual discharge profile. After two to three full cycles, the shutdown threshold corrects itself.

BIOS reporting battery health as "poor" immediately after fitting

Windows and the Acer BIOS read health data stored in the battery's EEPROM. A new cell ships with factory EEPROM values that don't match the discharge history the BIOS expects, so it flags the battery as degraded or unknown. This is a data mismatch, not a defective cell. Complete the calibration cycle above — discharge fully to hibernate cutoff, then charge to 100% without interruption — and the BIOS will rewrite the health register against actual measured capacity. Check battery health again after the first full cycle completes.

Compatible Models

Aspire V5 Aspire V5-471G Aspire V5-431 Aspire V5531 Aspire V5-431G Aspire V5-431P Aspire V5-471 Aspire V5-471P Aspire V5-531 Aspire V5-531G Aspire V5-531P Aspire V5-551 Aspire V5-551G Aspire V5-571 Aspire V5-571G Aspire V5-571P Aspire S3-471 Aspire E1 Aspire E1-410G Aspire E1-470P-6659 Aspire E1-532 Aspire E1-572G Aspire V5-WE2 Aspire E1-570 Aspire E1-570G Aspire E1-430P Aspire E1-522 Aspire E1-530 Aspire E1-572 Aspire V5-431PG Aspire V5-471PG Aspire V5-531PG Aspire V5-571PG TravelMate P255-M TravelMate P255-MG

Replaces Part Numbers

AL12A32 4ICR17/65 KT00403012C2262E714B301 B053R015-0002 TZ41R1122 KT.00403.012 KT.00403.003 KT.00407.001

Technical Specifications

Voltage14.8V
Amp Hours2400mAh
Capacity2400mAh
Rate35.52Wh
Net Weight211g /7.44 oz
Gross Weight481g /16.97 oz
Approximate Weight481g /16.97 oz
Dimension 269.11 x 40.34 x 23.80mm

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 V5 BIOS still shows "0% available (plugged in, charging)" after fitting the new battery — what's happening?

The fuel gauge IC hasn't yet mapped the new cell's charge curve, so it returns a null or zero reading while the BIOS waits for valid data. Leave the laptop plugged in and let it charge uninterrupted to 100% without powering it off mid-charge. Once the charge completes, do a full discharge to hibernate cutoff, then charge back to 100% again. After that first complete cycle the gauge IC has enough data to report an accurate percentage.

My Aspire V5 replacement battery is showing 35Wh in system info but Windows reports a different "design capacity" — is the cell wrong?

The Wh figure Windows reports comes from the EEPROM value written into the battery controller at the factory, while Windows calculates its own "design capacity" figure from voltage and measured current draw. These two numbers rarely match exactly on a new cell and the gap closes over the first few charge cycles as the fuel gauge IC learns the actual discharge curve. No action is needed if the cell charges fully and the Wh reading is within a few percent of 35.52Wh. If the reported Wh is far outside that range after three full cycles, check the part number matches AL12A32.

New cell charges to 100% on first use but drops to 60% within minutes of unplugging — is the capacity wrong?

This points to the fuel gauge IC reading an uncalibrated voltage curve, not a low-capacity cell. The IC uses the old cell's discharge profile as a reference and misreads the new cell's voltage as a steep drop. Run a full discharge to hibernate cutoff — do not manually power off — then charge uninterrupted back to 100%. Repeat this cycle once more. By the second full cycle the IC recalibrates against the new cell's actual voltage cliff, and the percentage readout stabilises across the full discharge range.

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