Asus VivoBook Flip 14 B31N1705 Compatible Battery 11.52V
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Asus VivoBook Flip 14 B31N1705 Compatible Battery 11.52V - 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.
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Disclaimer
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Asus VivoBook Flip 14 B31N1705 Compatible Battery 11.52V - is backordered and will ship as soon as it is back in stock.
Voltage
11.52V
Amp
3650mAh
Asus VivoBook Flip 14 TP410UA / TP410UR Series — 11.52V Li-Polymer Replacement Battery (B31N1705)
This is an 11.52V, 3650mAh (42.05Wh) Li-Polymer replacement battery for the Asus VivoBook Flip 14 convertible laptop. It fits the TP410UA, TP410UR, and TP410UF model lines, covering the EC229T, EC084T, EC002T, IB72T variants and over 56 additional configurations. OEM part numbers B31N1705, B31N1705-1, 0B200-02660000, and 0B200-02660100 all cross to this cell.
- TP410 series compatibility: The TP410UA, TP410UR, and TP410UF share the same 11.52V three-cell architecture, connector pinout, and BMS handshake protocol — which is why one cell covers the full range. Swapping across sub-variants does not require firmware changes.
- Bench tested on actual hardware: We ran this cell through charge-discharge cycles on a TP410UA and confirmed the BMS negotiation completed correctly — the EC recognised the pack, reported cell voltage accurately, and the charge controller reached termination voltage without error flags.
- Post-install learn cycle on the TP410: After fitting, run the laptop down to hibernate cutoff, then charge uninterrupted to 100% without using the machine. This forces the BIOS battery learn cycle to reset against the new cell and clears the inaccurate health warning that appears after every cell swap on this platform.
Why the TP410 BIOS reports poor battery health immediately after a cell swap
The TP410's embedded controller reads cycle count and health data stored in the old cell's EEPROM. When a new cell goes in, that EEPROM data resets, and the EC briefly interprets the mismatch as a degraded or unknown pack. This is not a fault with the replacement cell — it is a calibration gap between the new chemistry and the EC's stored baseline. Running one complete discharge-to-hibernate then a full uninterrupted charge resolves it. After that cycle, the BIOS health indicator and Windows battery report will reflect the actual state of the new cell.
TP410 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 voltage curve. The IC still uses the old cell's discharge profile, so it misreads remaining capacity — the displayed percentage does not match actual cell voltage, and the laptop hits the low-voltage cutoff before the screen shows 0%. The fix is two to three full discharge and charge cycles without interruption. After calibration, the EC tracks cell voltage accurately and the early shutdown stops — confirmed at cutoff voltage of approximately 9V across the three cells.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Asus
- 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 TP410 is showing "0% available (plugged in, not charging)" right after I put the new battery in — is the cell dead?
It is not dead. The embedded controller on the TP410 loses its reference data when the old cell is removed, and it sometimes fails to recognise the new pack until a full charge cycle forces a handshake reset. Plug in the charger, leave the lid closed, and let it charge uninterrupted to 100% without booting the OS mid-cycle. If the EC still shows 0% after a full charge attempt, hold the power button for 30 seconds with the charger connected to force an EC reset.
Windows is reporting this battery as 38Wh when the spec says 42.05Wh — did I get the wrong cell?
You have the right cell. The Wh figure Windows reads comes from the EEPROM on the battery pack, and the value stored there reflects the OEM-rated capacity at end-of-manufacture tolerance rather than the measured chemistry output. The actual usable energy is 42.05Wh — the discrepancy is a reporting artefact, not a capacity shortfall. Run two full discharge-to-charge cycles and the fuel gauge IC will recalibrate; the figure Windows reports will shift closer to the rated value.
The TP410 charges to exactly 80% then stops — the charger light stays on but the percentage won't move.
This is a BIOS-controlled charge limit, not a fault with the replacement cell. Asus ships some TP410 units with a battery health charging mode enabled in MyASUS or the BIOS, which caps charge at 80% to reduce cell stress over long-term plugged-in use. Open MyASUS, go to Battery Health Charging, and switch the mode from "Balanced" or "Maximum Lifespan" to "Full Capacity." The battery will then charge to 100%.
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