Lenovo Yoga Pad Pro L20C2P33 Compatible Battery 3.86V 10000mAh

Lenovo Yoga Pad Pro YT-K606FW — 3.86V Li-Polymer Replacement Battery (L20C2P33)

This is a 3.86V, 10000mAh (38.6Wh) Li-Polymer replacement battery for the Lenovo Yoga Pad Pro tablet (model YT-K606FW). It replaces OEM part numbers L20C2P33, L20D2P33, L20L2P33, L20M2P33, and SB18C83603. Fit this battery when the original cell no longer holds a useful charge or fails to power the tablet through normal use.

• YT-K606FW platform fit: The Yoga Pad Pro uses a flat Li-Polymer pouch cell rated at 3.86V with a specific connector orientation and BMS handshake tied to the tablet's charge IC. All five OEM part numbers listed above share this same electrical spec, connector pinout, and physical envelope — 195.30 × 122.10 × 2.50mm — so they are direct cross-references, not revisions with different ratings.
• Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the YT-K606FW platform. The BMS accepted the charge IC handshake without error flags, held stable voltage across the discharge curve, and did not trigger protection cutoff under normal display and WiFi combined load.
• Fuel gauge recalibration after swap: Once installed, run the tablet down to automatic shutoff, then charge uninterrupted to 100% without unplugging. This single full cycle resets the fuel gauge IC calibration against the new cell. Skipping this step is the direct cause of the inaccurate percentage readout that appears immediately after a battery replacement.

Yoga Pad Pro shutting down at 15–25% remaining

The Yoga Pad Pro's charge IC tracks state-of-charge against a voltage curve stored during the original cell's service life. A new cell has a slightly different voltage-capacity curve, so the tablet hits a low-voltage threshold earlier than the displayed percentage suggests. This causes sudden shutdowns well above 0%. The fix is one complete discharge-to-shutoff followed by a full uninterrupted charge — after that cycle, the fuel gauge recalibrates and the shutdowns stop. If the problem persists after two full cycles, check that the battery connector is fully seated and that the cell is reading at or above 3.5V at rest.

Fast charging not available after battery swap on Yoga Pad Pro

The Yoga Pad Pro uses USB-PD negotiation to enable fast charge — the charge IC must first complete one accepted full charge cycle on the new cell before it unlocks the higher current profile. Immediately after a swap, the tablet often defaults to standard 5V charging while the IC characterises the new cell. Use the original Lenovo charger and cable for the first charge, since third-party cables with higher resistance can prevent PD negotiation from completing. After one full charge to 100% with the OEM charger, USB-PD fast charging activates normally on subsequent sessions.