AP18F4M Acer Chromebook 714 Compatible Battery 7.6V 6800mAh
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AP18F4M Acer Chromebook 714 Compatible Battery 7.6V 6800mAh - 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.
AP18F4M Acer Chromebook 714 Compatible Battery 7.6V 6800mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.6V
Amp
6800mAh
Acer Chromebook 714/715 Series — 7.6V Li-Polymer Replacement Battery (AP18F4M)
This is a 7.6V, 6800mAh (51.68Wh) Li-Polymer replacement battery for the Acer Chromebook 714 and 715 series. It fits the CB714-1WT-53FX, CB715-1WT-39HZ, CB715-1WT-57H9, CB715-1W-55XP, and over 100 additional CB714 and CB715 variants. OEM part numbers AP18F4M, KT.00404.001, and 2ICP5/54/90-2 all cross-reference to this cell.
- CB714 and CB715 shared platform: Both series run on the same 7.6V two-cell Li-Polymer configuration with a matching connector and BMS handshake protocol. The fuel gauge IC communicates charge state directly to Chrome OS, so the replacement cell must match the OEM voltage rail — this one does.
- Bench tested on actual hardware: We cycled this cell in a CB715-1WT unit. The BMS accepted charge without tripping, balanced both cells correctly, and Chrome OS reported battery status without error flags after the first full cycle.
- Post-install calibration on Chromebook hardware: After fitting this battery, discharge the Chromebook to automatic shutdown — not sleep — then charge uninterrupted to 100% without using the device. This resets the BIOS battery learn cycle and clears the inaccurate health warning Chrome OS displays after every cell swap.
Why Chrome OS flags a new battery as "poor health" immediately after installation
The Chrome OS battery health indicator reads EEPROM data written by the original cell during its lifetime. A new cell has no charge history logged, so the fuel gauge IC compares zero cycle data against the old cell's degraded baseline and reports a mismatch as poor health. This is a data state issue, not a cell defect. One full discharge-to-shutdown followed by a complete uninterrupted charge clears the stored cycle data and lets the fuel gauge IC re-baseline against the new cell.
Chromebook shutting down at 20–30% charge shown on screen
This happens when the fuel gauge IC still holds calibration data from the old, degraded cell. As load increases — CPU under active tabs plus display backlight — actual cell voltage drops faster than the uncalibrated gauge predicts, triggering a hard shutdown before the displayed percentage reaches zero. The fix is a calibration cycle: run the Chromebook on battery under normal load until it shuts itself off at low voltage, then charge to 100% without interruption. After two to three of these cycles, the gauge tracks actual cell voltage accurately and shutdowns at false percentages stop.
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
Chrome OS is showing my brand-new battery as 0% and won't detect it at all — what's happening?
The fuel gauge IC on the CB714/715 motherboard reads EEPROM identifiers from the connected cell. If the cell is seated but contacts are not fully engaged, or the BMS hasn't initialised, Chrome OS reports 0% or "no battery detected." Reseat the connector firmly, then hold the power button for 10 seconds with the charger unplugged to force a full EC reset. Reconnect the charger first, then power on — the gauge needs a live charge signal to trigger the BMS handshake on first boot.
System info is showing the wrong Wh rating — it says something lower than 51.68Wh — is the cell undersized?
No. The Wh figure Chrome OS displays is pulled from the EEPROM data written by the original cell, not measured live from the new one. A replacement cell does not overwrite that stored value immediately. After two full discharge-and-charge calibration cycles, the fuel gauge IC recalculates energy capacity against the actual new cell chemistry and the displayed Wh figure updates to reflect the real rating.
The battery charges fine but the percentage jumps around wildly — drops 10% in minutes then suddenly climbs back up
The fuel gauge IC is running its state-of-charge algorithm against calibration data that no longer matches the new cell's discharge curve. It was tuned to the old cell's voltage-to-capacity profile, so it misreads the new cell's voltage at every point on the curve. Run two full discharge cycles — discharge to automatic shutdown under active load, then charge uninterrupted to 100% each time. By the third cycle the IC has enough data points to track the new cell accurately and the erratic percentage readings stop.
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