Product Overview
The PF4WN-03-17-3S1P-0 (PF4WN) is a 100% brand new 46.74Wh / 4100mAh Li-polymer replacement battery at 11.4V for Hasee KINGBOOK U43/U45/U47 laptops, MECHREVO S1 Air / S2 Air and the Walmart Motile M142. It cross-references part numbers HPFS01 and HPFS02. Grade-A lithium polymer cells with a built-in BMS deliver reliable runtime and protect against overcharge, over-discharge and short circuit. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | PF4WN-03-17-3S1P-0 |
| Capacity | 4100mAh / 46.74Wh |
| Voltage | 11.4V |
| Battery Type | Li-polymer |
| Cell | Made in China, high quality guarantee |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- PF4WN-03-17-3S1P-0
- PF4WN
- HPFS01
- HPFS02
Compatible Models
For Hasee KINGBOOK Series
- For Hasee KINGBOOK U43E1 Series
- For Hasee KINGBOOK U43S1 Series
- For Hasee KINGBOOK U45A1 Series
- For Hasee KINGBOOK U45S2 Series
- For Hasee KINGBOOK U47S2 Series
- For Hasee KINGBOOK U47T1 Series
For MECHREVO Series
- For MECHREVO S1 Air Series
- For MECHREVO S2 Air Series
For Walmart Motile Series
- For Walmart Motile M142 Series
FAQ
Which laptops fit the PF4WN battery?
It is verified for Hasee KINGBOOK U43E1/U43S1/U45A1/U45S2/U47S2/U47T1 series, MECHREVO S1 Air / S2 Air series and the Walmart Motile M142 series. Confirm PF4WN-03-17-3S1P-0 on your original battery label.
Is the PF4WN battery a direct drop-in replacement?
Yes — it is precision-engineered to OEM specifications with a 1:1 fit; no modification or tools are required.
Does it include safety protection?
Yes — a built-in BMS provides overcharge, over-discharge and short-circuit protection, and every unit ships 100% brand new with a 1-year warranty.