Laptop Battery for Lenovo ThinkPad T570 T580 P51S P52S 01AV493, 01AV494, 01AV495, SB10K97528, SB10K97529, 61, 61+ 11.4V 48Wh/72Wh High Capacity, 12-Month Warranty

**Important
Voltage Warning: **
Please confirm your original battery voltage is ** 11.4V ** before purchasing. This battery is NOT compatible with 10.8V, 11.1V, 14.4V, or 14.8V systems. Using an incorrect voltage may cause damage to your device or battery.

**Compatibility List: **
This battery is designed for the following
Lenovo ThinkPad models:
- ThinkPad T570 (20H9, 20HA)
- ThinkPad T580 (20L9, 20LA)
- ThinkPad P51s (20HB, 20HC)
- ThinkPad P52s (20LB, 20LC)

**Replacement Part Numbers: **
01AV493, 01AV494, 01AV495, SB10K97528, SB10K97529, SB10K97530, SB10K97531, 61, 61+, 61++

**Specifications Table: **

| Parameter | 48Wh (3-cell) Version | 72Wh (6-cell) Version |
|--------------------|-----------------------|-----------------------|
| Voltage | 11.4V | 11.4V |
| Capacity | 4200mAh | 6300mAh |
| Cell Type | Lithium-ion | Lithium-ion |
| Color | Black | Black |
| Weight | ~240g | ~350g |
| Cycle Life | 500+ cycles | 500+ cycles |

**Comparison Table (vs.
Original Battery): **

| Feature | Original Lenovo Battery | Our Replacement Battery |
|--------------------|-------------------------|-------------------------|
| Voltage | 11.4V | 11.4V (exact match) |
| Capacity Options | 48Wh / 72Wh | 48Wh / 72Wh (same) |
| Safety Cert | Yes | CE, FCC, RoHS |
| Warranty | 12 months | 12 months |
| Price | High | Affordable |

**Installation Tips: **

1. Power off your laptop and unplug the AC adapter.

2. Remove the bottom cover (screws may be required keep them safe).

3. Disconnect the old battery cable from the motherboard connector.

4. Remove the old battery and insert the new one, aligning the connector properly.

5. Reconnect the cable, replace the bottom cover, and power on your laptop.

6. For first use, fully charge the battery (to 100%) and then discharge to 10% once to calibrate.

**Note: ** If your laptop does not recognize the new battery, please
try a hard reset: unplug AC, remove battery, hold power button for 30 seconds, then reinstall battery and AC.

**Package Includes: **
- 1 x Replacement Battery
-


**Quality Assurance: **
All batteries are tested for capacity, voltage, and safety before shipping. We stand behind our product with a 12-month warranty and 30-day hassle-free return policy.

**Questions? **
Contact us anytime were here to help you get the right battery for your ThinkPad.