Product Overview
The EL04XL is a premium 52Wh Li-ion replacement battery designed for HP ENVY 4 and ENVY TouchSmart 4 series laptops. Engineered to match original factory specifications, it replaces part numbers including EL04XL, HSTNN-IB3R, and 681879-1C1. Built with high-density cells to restore original-level mobile runtime and reliability for your Envy ultrabook. Ships 100% brand new with a 1-year warranty.
Technical Specifications
| Standard Model | EL04XL / HSTNN-IB3R / 681879-1C1 |
|---|---|
| Capacity | 52Wh / 3500mAh |
| Voltage | 14.8V |
| Battery Type | Li-ion |
| Condition | 100% Brand New Replacement |
| Warranty | 1 Year |
Replace Part Numbers
- EL04XL
- HSTNN-IB3R
- HSTNN-UB3R
- TPN-C102
- 681879-1C1
- 681879-171
- 681879-541
- 681949-001
- 681879-121
Compatible Laptop Models
- HP ENVY 4 Series
- HP ENVY 4-1000 Series
- HP ENVY 4-1100 Series
- HP ENVY 4-1200 Series
- HP ENVY TouchSmart 4 Series
FAQ
Q: Is the EL04XL easy to replace?
A: The EL04XL is an internal battery. Replacing it involves removing the bottom cover screws of your Envy 4. We recommend having a small Phillips screwdriver ready and following a standard disassembly guide.
Q: How long does this battery last per charge?
A: The 52Wh capacity is matched to original HP specs, typically providing 5-8 hours of mixed use (web browsing, office work) depending on your power settings and screen brightness.