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Lenovo IdeaPad S5000 Compatible Battery L13D1P31 3.8V

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From $27.99 USD $34.99
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Fits Lenovo IdeaPad S5000 and replaces OEM part number L13D1P31.
3.8V and 3550mAh lithium-polymer cell delivers the same energy density as the factory pack.
Connector slides straight into the battery slot with no locking tab — orientation is keyed.
We ran a full discharge and recharge cycle on the test unit; the BMS accepted the cell without fault codes.
After installation, run one complete discharge to automatic shutoff then charge uninterrupted to 100% — this recalibrates the fuel gauge IC against the new cell and fixes inaccurate percentage readings.
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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

🔹 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: 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.

Voltage

3.8V

Amp

3550mAh

Lenovo IdeaPad S5000 / TAB 2 A7-20 — 3.8V Li-Polymer Replacement Battery (L13D1P31)

This is a 3.8V, 3550mAh (13.49Wh) lithium-polymer replacement battery for the Lenovo IdeaPad S5000 and its close relatives. It fits the TAB 2 A7-20, IdeaTab 2 A7-30, and Tab A7-50, among others. All share the same L13D1P31 cell format, connector, and charge IC handshake.

  • Cross-model fit on the A7 platform: The IdeaPad S5000, IdeaTab 2 A7-30, and TAB 2 A7-20 all run the same 3.8V battery rail with an identical flex connector and BMS pinout. Lenovo reused this cell across the A7 slate line, so one part number covers all listed models without modification.
  • Bench tested on actual hardware: We ran this cell through a full charge cycle on an IdeaPad S5000 and monitored the charge IC negotiation. The BMS accepted the cell without fault codes, and the charge IC settled at the correct termination voltage with no thermal events.
  • Fuel gauge recalibration after swap: After installing this battery, run the tablet down to automatic shutoff — do not force it off — then charge uninterrupted to 100%. This single full cycle resets the fuel gauge IC against the new cell's actual capacity curve and clears the inaccurate percentage readings that appear immediately after a swap.

Tablet shutting down at 15–25% remaining after battery replacement

This happens when the fuel gauge IC still references the old cell's voltage-to-capacity curve. The new cell hits a voltage cliff under combined display and WiFi load that the IC misreads as a safe level — then the system cuts power without warning. The fix is one full discharge-to-shutoff followed by an uninterrupted charge to 100%. After that cycle, the gauge recalibrates and the premature cutoff stops.

Fast charging unavailable on the IdeaPad S5000 after a battery swap

Some units show fast charge as greyed out or simply charge at standard rate after a new cell is installed. The charge IC needs at least one completed charge cycle before it re-enables the higher current profile — this is a protocol handshake, not a hardware fault. Plug in using the original Lenovo charger and let the tablet charge from near-zero to 100% without interruption. After that cycle, fast charge re-enables automatically on the next plug-in.

Compatible Models

IdeaPad S5000 TAB 2 A7-20 IdeaTab 2 A7-30 Tab A7-50 A3500 A7-50 3G A3500FL 7"

Replaces Part Numbers

L13D1P31

Technical Specifications

Voltage3.8V
Amp Hours3550mAh
Capacity3550mAh
Rate13.49Wh
Net Weight59.6g /2.10 oz
Gross Weight95g /3.35 oz
Approximate Weight95g /3.35 oz
Dimension 101.60 x 86.88 x 3.50mm

Product Highlights

  • Brand: Lenovo
  • 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 IdeaPad S5000 shows 60% battery but shuts off without warning — is this a faulty replacement cell?

It's not a faulty cell. The fuel gauge IC is still calibrated to your old battery's voltage curve, so it misreads the new cell's actual charge level. Under combined display and WiFi load, the tablet hits a voltage drop the IC can't track correctly and cuts power early. Run the tablet down to automatic shutoff, then charge uninterrupted to 100% — one full cycle recalibrates the gauge and the random shutoffs stop.

The battery percentage on my IdeaPad S5000 is jumping around or reading higher than it should after the swap — what causes that?

The fuel gauge IC stored capacity data from the original cell and hasn't mapped the new cell's discharge curve yet. Until it does, percentage readings drift — they can read high early in a discharge and then drop sharply. One full discharge to automatic shutoff followed by an uninterrupted charge to 100% forces the IC to record the new cell's actual voltage profile. After that single cycle, percentage reporting stabilises.

My IdeaPad S5000 feels warm near the charging port during the first charge with the new battery — should I stop?

Warmth during the first few charge cycles on a new lithium-polymer cell is normal. The charge IC runs a conditioning pass on an unfamiliar cell, which draws slightly more current than steady-state charging and generates mild heat. As long as the tablet isn't hot to the touch and isn't showing a charging error, let it complete the full cycle. If it becomes uncomfortably hot or the screen shows a temperature warning, disconnect and check the charger output — it should be 5V/2A for this platform.

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