Asus Eee PC 701 A22-700 Replacement Battery 7.4V 5200mAh
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Asus Eee PC 701 A22-700 Replacement Battery 7.4V 5200mAh - 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 Eee PC 701 A22-700 Replacement Battery 7.4V 5200mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
5200mAh
Asus Eee PC 701 Series — 7.4V Li-ion Replacement Battery (A22-700)
This is a 7.4V, 5200mAh Li-ion replacement battery for the Asus Eee PC 701 netbook and its close variants. It replaces OEM part A22-700 and fits the Eee PC 701, 701C, 800, 801, and over a dozen related models. Capacity is rated at 38.48Wh — drawn from the cell spec, not rounded.
- Eee PC 700 and 800 platform fit: These models share the same battery bay dimensions, 7.4V two-cell Li-ion architecture, and connector pinout. The BMS handshake protocol is identical across the 701, 701C, 800, and 801, so one cell works across all of them without adapter or modification.
- Bench tested on actual hardware: We ran this cell on an Eee PC 701 and confirmed the BMS completed charge initialisation, the BIOS detected the battery at full capacity, and the protection circuit tripped correctly at low-voltage cutoff. No mid-cycle BMS lockout occurred.
- Post-install calibration on the Eee PC 701: After fitting, run one full discharge until the netbook hibernates, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on this platform.
Why the Eee PC 701 BIOS reports poor battery health after a cell swap
The Eee PC 701 stores battery health data in EEPROM on the old cell. When a new battery is fitted, the BIOS reads no learned data and flags the cell as degraded or unknown — even if the new cell is at full capacity. This is a data mismatch, not a hardware fault. Running one complete charge and discharge cycle writes new baseline data to the BIOS and clears the warning. After two or three cycles, the reported health figure stabilises to reflect the actual cell condition.
Eee PC 701 shutting down at 20–30% charge shown on screen
This happens when the fuel gauge IC has not yet calibrated against the new cell's discharge curve. The old cell's curve is stored in firmware — the new cell hits a voltage cliff earlier than the IC expects, triggering an abrupt shutdown before the displayed percentage reaches zero. It is not a faulty battery. Force a full discharge to hibernate cutoff, then charge to 100% without interruption. Repeat this once more and the gauge IC recalibrates — shutdowns at false percentages stop after two full cycles.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Asus
- Manufacturer: CS
- Series: Standard
- Color: White
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The Eee PC 701 BIOS says the new battery is "unknown" or shows 0% — is the cell dead?
No. The Eee PC 701 BIOS reads health data from EEPROM on the old cell. A fresh cell has no stored data, so the BIOS flags it as unknown until it runs a learn cycle. Discharge fully to hibernate cutoff, then charge uninterrupted to 100%. After one complete cycle, the BIOS writes new baseline data and the unknown status clears.
The Eee PC 701 fuel gauge jumps around wildly — showing 80%, then 45%, then 70% in the same session.
The fuel gauge IC is still calibrating against the new cell's discharge curve. It takes two to three full charge and discharge cycles before the IC maps the new cell accurately. Do not rely on the percentage reading during this period. After the third full cycle, the gauge stabilises — if it still jumps after that, check that the battery connector is fully seated and the terminal voltage at rest reads above 7.0V.
System information shows the wrong Wh rating for this battery — it says 24Wh instead of 38Wh.
The Wh figure displayed in system info is pulled from EEPROM data embedded in the original cell, not measured live. A replacement cell carries its own EEPROM value, which may differ from what the old cell reported. The actual rated capacity of this cell is 38.48Wh. Confirm the real voltage under load by checking the BIOS hardware monitor — a rested, fully charged cell should read between 8.2V and 8.4V at the two-cell Li-ion full-charge ceiling.
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