Asus A32-K53 11.1V Laptop Replacement Battery 6600mAh
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Asus A32-K53 11.1V Laptop Replacement Battery 6600mAh - 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
⚠️ 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.
Asus A32-K53 11.1V Laptop Replacement Battery 6600mAh - is backordered and will ship as soon as it is back in stock.
Voltage
11.1V
Amp
6600mAh
Asus A53 Series — 11.1V Li-ion Replacement Battery (A32-K53)
This is an 11.1V, 6600mAh (73.26Wh) lithium-ion battery for the Asus A53 laptop series. It fits the A53B, A53BY, A53E, A53F, and hundreds of additional A53 variants. It replaces OEM part numbers A32-K53, A42-K53, A31-K53, and A41-K53.
- A53 series compatibility: These models share a common battery bay form factor, the same 11.1V three-cell voltage rail, and a unified connector pinout. The BMS handshake protocol is identical across A53B through A53F variants, so one cell works across the full range without modification.
- Bench tested on actual hardware: We ran this cell on an A53E unit. The BMS accepted the pack on first insertion, charge negotiation started immediately, and the protection circuit responded correctly to both overcharge and over-discharge thresholds during load testing.
- Post-install discharge cycle: After fitting this battery, run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears in Windows after every cell swap on A53 hardware.
BIOS reporting battery health as poor after installing a new cell
The A53 BIOS reads health data from EEPROM registers stored by the old battery pack. When a new cell goes in, those registers no longer match actual chemistry and the BIOS flags the result as degraded. This is not a fault with the replacement cell — it is stale data from the previous pack. Running one full discharge-to-hibernate followed by a full uninterrupted charge forces the BIOS to rewrite the learn cycle against the new cell. After two or three cycles the health reading normalises.
Laptop shuts down at 20–30% charge shown on screen
This happens when the fuel gauge IC is still calibrated to the old cell's voltage curve. Under full CPU and display load, voltage drops faster than the gauge expects and the system hits its hardware cutoff before the displayed percentage reaches zero. The gauge is reading the wrong cliff point. Run two full discharge-to-hibernate cycles without interruption and the IC recalibrates against the new cell's actual voltage curve. After recalibration, the system should cut off at or below 5% remaining.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Asus
- 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
Windows is showing my new Asus A53 battery as "0% available (plugged in, not charging)" — what's wrong?
The fuel gauge IC is still holding calibration data from the old pack and cannot map the new cell's voltage curve correctly. Disconnect the AC adapter, let the laptop discharge fully to hibernate, then reconnect and charge uninterrupted to 100% without using the laptop. Repeat this once more and the gauge IC recalibrates against the new cell. After two full cycles the percentage reading and charging behaviour return to normal.
My A53 is reporting the wrong Wh rating in the battery details — it shows a lower number than the 73.26Wh on the spec sheet.
The Wh figure shown in Windows or HWiNFO is pulled from the EEPROM data embedded in the battery pack, not measured live from the cell. The EEPROM stores the rated chemistry value at manufacture, which can differ slightly from the actual delivered capacity under real load conditions. This is a reporting difference, not a capacity defect. Run the battery through one full learn cycle — full discharge to hibernate, full charge to 100% — and the system recalculates the design capacity figure against live readings.
The new battery stopped charging at 80% and won't go higher — is the cell faulty?
It is almost certainly not a cell fault. The Asus A53 BIOS includes a charge limit setting that caps charging at 80% to reduce cell wear, and this setting persists after a battery swap. Go to the Asus Battery Health Charging utility in Windows or check the MyASUS app and confirm the charge mode is set to "Full Capacity Mode" rather than "Balanced" or "Maximum Lifespan." Switch the mode and the battery will charge to 100% on the next cycle.
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