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Laptop Battery for Hasee K590S K750S K660E CW35S07 W370BAT-8 11.1V 5200mAh 6-Cell Li-ion [High Capacity & 2-Year Warranty]
- High Capacity & Long Life: 5200mAh / 57.72Wh 6-cell Li-ion battery provides reliable power for extended work and play, with over 500 charge cycles.
- Perfect Fit Compatibility: Directly replaces Hasee K590S, K750S, K660E, CW35S07, and W370BAT-8 models no modification needed.
- Multi-Layer Safety Protection: Built-in overcharge, over-discharge, over-current, and short circuit protection ensures safe operation for your device.
- Easy Installation: Plug-and-play design with exact original connectors and dimensions just remove old battery and snap in new one.
- Year Warranty & 30-Day Money-Back: We stand behind our quality; contact us anytime for fast replacement or refund if not satisfied.
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Overview
Specs
Reviews
**Important
Voltage Warning: **
Please confirm your original battery voltage is ** 11.1V ** (or 10.8V / 11.4V compatible). Using an incorrect voltage battery may damage your laptop or cause safety hazards. Check your original battery label before ordering.
**Compatible Models & Part Numbers: **
This battery is designed for the following
Hasee laptop models:
- Hasee K590S series
- Hasee K750S series
- Hasee K660E series
- Hasee CW35S07
Replaces original part number: **W370BAT-8**
**Specifications: **
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Lithium-ion) |
| Voltage | 11.1V (compatible with 10.8V / 11.4V systems) |
| Capacity | 5200mAh / 57.72W h |
| Cells | 6-cell |
| Color | Black |
| Weight | Approx. 320g |
| Dimensions | 270 x 50 x 20 mm (check your original for exact fit) |
| Warranty | 2 Years |
**Comparison Table (Our Battery vs.
Original): **
| Feature | Our Battery | Original Hasee Battery |
|---------|-------------|------------------------|
| Capacity | 5200mAh | 4400mAh (typical) |
| Cycle Life | 500+ cycles | 300-500 cycles |
| Safety Protections | 6-layer PCB | Standard PCB |
| Price | Competitive | Higher |
| Warranty | 2 Years | 1 Year (typical) |
**Installation Tips: **
1. Power off your laptop and unplug the AC adapter.
2. Remove the battery from the bottom bay (slide the latch or unscrew if needed).
3. Insert the new battery until it clicks securely into place.
4. Charge fully (3-4 hours) before first use for optimal performance.
5. If your laptop does not detect the battery, try
a hard reset: remove battery, hold power button for 15 seconds, then reinstall.
**Package Includes: **
- 1x Replacement Battery
(with warranty info)
**Note: ** This is a third-party replacement battery, not an OEM product. It is fully tested and guaranteed to meet or exceed original specifications. For any issues, our customer service team will respond within 24 hours.
Voltage Warning: **
Please confirm your original battery voltage is ** 11.1V ** (or 10.8V / 11.4V compatible). Using an incorrect voltage battery may damage your laptop or cause safety hazards. Check your original battery label before ordering.
**Compatible Models & Part Numbers: **
This battery is designed for the following
Hasee laptop models:
- Hasee K590S series
- Hasee K750S series
- Hasee K660E series
- Hasee CW35S07
Replaces original part number: **W370BAT-8**
**Specifications: **
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Lithium-ion) |
| Voltage | 11.1V (compatible with 10.8V / 11.4V systems) |
| Capacity | 5200mAh / 57.72W h |
| Cells | 6-cell |
| Color | Black |
| Weight | Approx. 320g |
| Dimensions | 270 x 50 x 20 mm (check your original for exact fit) |
| Warranty | 2 Years |
**Comparison Table (Our Battery vs.
Original): **
| Feature | Our Battery | Original Hasee Battery |
|---------|-------------|------------------------|
| Capacity | 5200mAh | 4400mAh (typical) |
| Cycle Life | 500+ cycles | 300-500 cycles |
| Safety Protections | 6-layer PCB | Standard PCB |
| Price | Competitive | Higher |
| Warranty | 2 Years | 1 Year (typical) |
**Installation Tips: **
1. Power off your laptop and unplug the AC adapter.
2. Remove the battery from the bottom bay (slide the latch or unscrew if needed).
3. Insert the new battery until it clicks securely into place.
4. Charge fully (3-4 hours) before first use for optimal performance.
5. If your laptop does not detect the battery, try
a hard reset: remove battery, hold power button for 15 seconds, then reinstall.
**Package Includes: **
- 1x Replacement Battery
(with warranty info)
**Note: ** This is a third-party replacement battery, not an OEM product. It is fully tested and guaranteed to meet or exceed original specifications. For any issues, our customer service team will respond within 24 hours.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 90 days
- This item is covered by xuanlan Return Policy
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