Lenovo BL214 A208t Replacement Battery 3.7V 1600mAh
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Lenovo BL214 A208t Replacement Battery 3.7V 1600mAh - 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.
Lenovo BL214 A208t Replacement Battery 3.7V 1600mAh - is backordered and will ship as soon as it is back in stock.
Voltage
3.7V
Amp
1600mAh
Lenovo A208t / A269 Series — 3.7V Li-ion Replacement Battery (BL214 / BL203)
This is a 3.7V, 1600mAh Li-ion replacement cell for the Lenovo A208t, A269, A305e, A218t, and eight additional models sharing the BL214 or BL203 battery. It fits the same connector and footprint as the factory cell. Swap it in when the original no longer holds a charge or the phone fails to power on.
- A208t / A269 platform fit: These models share the same 3.7V single-cell architecture and BL214/BL203 connector pinout. The BMS handshake expects the same NTC thermistor line present in this cell — no adapter or modification needed.
- Bench tested on actual hardware: We cycled this cell through charge and discharge on a compatible A269 unit. The BMS accepted the cell without fault codes, and the charge IC held the correct 4.2V cutoff at end of charge.
- Fuel gauge recalibration after install: After fitting this cell, run one complete discharge to auto-shutdown, then charge to 100% without interruption. The phone's fuel gauge IC maps its coulomb counter to the new cell's discharge curve during that first full cycle — skip it and the percentage readout will drift.
Why the A208t reports wrong battery percentage after a cell swap
The A208t uses a fuel gauge IC that stores a learned discharge curve from the old cell. When a new cell goes in, the IC is still reading against the previous cell's profile. The mismatch causes the displayed percentage to jump, stall, or read 100% while the phone is still charging. One full discharge-charge cycle forces the IC to rebuild its reference curve against the new cell. After that cycle, percentage reporting stabilises.
Sudden shutdown at 20–30% on the replacement cell
This happens when the modem or screen draws a current spike the fuel gauge hasn't yet mapped correctly. The cell voltage drops sharply under load — hitting the BMS undervoltage cutoff — even though the displayed percentage looks safe. The root cause is an uncalibrated coulomb counter, not a faulty cell. Complete the first full discharge-charge cycle, and confirm the resting voltage reads at least 3.75V before the next session.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Lenovo
- Manufacturer: CS
- Series: X-Longer
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The phone powers off completely but won't turn back on after the new battery was installed — what happened?
If the replacement cell sat in storage for a while, its voltage may have dropped below 2.5V, triggering a BMS deep-discharge lockout. Connect the phone to a wall charger — not a USB port — and leave it for 20–30 minutes without pressing the power button. The charge IC needs sustained input current to trickle the cell back above the BMS recovery threshold of around 3.0V before the phone will boot.
The battery percentage is jumping around erratically — 60% one minute, 45% the next — is the cell defective?
The cell is almost certainly fine. The fuel gauge IC on the A208t calibrated itself to the old cell's discharge curve, and a new cell with different internal impedance throws those readings off immediately. Run one full uninterrupted discharge down to auto-shutdown, then charge straight to 100%. The coulomb counter resets its reference during that cycle, and the percentage readout steadies from the next use onward.
The phone feels warm near the battery area during the first few charges — is that normal?
A new high-impedance cell converts slightly more energy to heat than a broken-in one because the charge IC is pushing current into a cell with higher internal resistance than the depleted original. The warmth typically reduces after three to five charge cycles as the cell's internal resistance settles. If the phone becomes hot to the touch or the charger disconnects and reconnects repeatedly, check that the charge IC cutoff voltage isn't creeping above 4.25V — that points to a charge circuit fault, not the cell.
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