Acer SF713-51-M0AK Compatible Battery SQU-1605 15.4V 2600mAh
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Acer SF713-51-M0AK Compatible Battery SQU-1605 15.4V 2600mAh - 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.
Acer SF713-51-M0AK Compatible Battery SQU-1605 15.4V 2600mAh - is backordered and will ship as soon as it is back in stock.
Voltage
15.4V
Amp
2600mAh
Acer Swift 3 SF713-51 Series — 15.4V Li-Polymer Replacement Battery (SQU-1605)
This is a 15.4V, 2600mAh (40.04Wh) lithium-polymer replacement battery for the Acer Swift 3 SF713-51 ultrabook line. It fits the SF713-51-M0AK, SF713-51-M16U, SF713-51-M6VV, SF713-51-M5PJ, and over 176 additional SF713-51 variants. All share the same SQU-1605 cell spec, connector pinout, and BMS handshake protocol.
- SF713-51 series compatibility: Every model in the SF713-51 line runs the same 15.4V rail and uses identical BMS communication over the same 5-pin connector. The SQU-1605 spec covers the full range — no adapter or modification needed across variants.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on an SF713-51 unit. The BMS accepted handshake without error, charge current stepped down correctly at 80% and tapered cleanly to termination at 100%.
- Post-install calibration cycle: After fitting this cell, run the laptop on battery until it hibernates at low charge, then plug in and charge uninterrupted to 100%. This single cycle resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap.
BIOS reporting poor battery health immediately after fitting the SQU-1605
The SF713-51 BIOS reads health data from EEPROM stored in the battery controller — not from live cell voltage. When a new cell goes in, that EEPROM data reflects the old battery's wear history. The BIOS flags poor health because it hasn't yet written new baseline data for the fresh cell. One complete discharge-to-hibernate followed by a full uninterrupted charge gives the BIOS enough cycle data to overwrite the old EEPROM values. After that single learn cycle, the health status updates correctly.
Laptop shuts down at 20–30% charge shown on the Swift 3
This happens when the fuel gauge IC hasn't yet calibrated against the new cell's discharge curve. The IC was mapped to the old cell's voltage-to-capacity relationship, so it reads 25% while the actual cell voltage has already hit the low-cutoff threshold. The system shuts down to protect the cell even though the OS gauge still shows charge remaining. Run two full discharge-to-hibernate and charge-to-100% cycles — by the second cycle, the fuel gauge IC recalibrates and the shutdown point drops back to the correct low-voltage floor near 3.0V per cell.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Acer
- 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 Acer Swift 3 SF713-51 is showing the wrong Wh rating in system info after fitting the new SQU-1605 — is the battery at fault?
No — this is an EEPROM mismatch, not a cell defect. The old battery's rated Wh value is stored in the controller's EEPROM, and Windows reads that stored figure rather than measuring the actual cell. After one full discharge-to-hibernate cycle followed by a complete charge, the BIOS rewrites the EEPROM baseline with data from the new cell and the system info figure corrects itself.
The SF713-51 fuel gauge is jumping around wildly — showing 60%, then 40%, then 75% within minutes of unplugging.
The fuel gauge IC builds its capacity map by tracking full charge and full discharge endpoints. When a new cell goes in, the IC has no valid endpoints for it yet, so interpolation between cycles is inaccurate and the displayed percentage swings. This settles after two complete discharge-to-hibernate and full charge-to-100% cycles. Do not use battery saver or charge-limit modes during those two calibration cycles — the IC needs clean full-range data.
New battery charges fine but the Swift 3 won't go above 80% — it just stops there.
This is almost always the BIOS charge-limit feature, not a cell fault. Acer's firmware includes a battery health mode that caps charge at 80% to reduce cell stress during periods when the laptop stays plugged in. Check Acer Care Center or the BIOS power settings under "Battery Health Mode" and switch it from Limited to Standard charging — charge will then proceed to 100%.
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