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Product Code: BTEL-1929
MPN #: ALT283644B
Product Condition: New
Your HP Pavilion laptop keeps dying at the worst moments, leaving you frustrated and unproductive. The PSA 2-Power ALT283644B Battery HP Pavilion L11421-422 Battery is a direct-fit replacement that restores full power to your notebook, letting you work, study or stream without interruption. Designed specifically for the HP L11421-422 model, this battery gives you reliable, long-lasting energy when you need it most.
If your laptop’s original battery no longer holds a charge, you risk losing data, missing deadlines and being tethered to a wall outlet. This problem is common as batteries age, and it can severely limit the mobility you expect from a notebook. The PSA 2-Power ALT283644B Battery HP Pavilion L11421-422 Battery solves this by providing a brand-exact match that restores the original performance and runtime of your HP Pavilion. With a high-quality lithium polymer cell and a one-year limited warranty, you receive a dependable power source that lets you reclaim the freedom of true portable computing.
The PSA 2-Power ALT283644B Battery HP Pavilion L11421-422 Battery fits seamlessly into any situation where your HP notebook needs power.
With this battery you regain the freedom to work anywhere, no longer worrying about sudden shutdowns that could lose your progress. The exact OEM compatibility means you won’t face fit or firmware issues, so installation is quick and hassle-free. Its 41 Wh capacity gives you several extra hours of use compared with a failing original, extending your productivity on the road. The lightweight design keeps your laptop’s balance unchanged, preserving the feel you’re used to. Finally, the one-year warranty protects your investment, offering confidence that the battery will perform reliably throughout its life.
| Miscellaneous | |
| Miscellaneous / Color Category | Black |
| Miscellaneous / OEM Manufacturer Battery Equivalent | HP L11421-422 |
| Header | |
| Header / Product Line | 2-Power |
| Header / Packaged Quantity | 1 |
| Dimensions & Weight | |
| Dimensions & Weight / Weight | 6.07oz |
| Manufacturer Warranty | |
| Manufacturer Warranty / Service & Support | Limited warranty - 1 year |
| Battery | |
| Battery / Capacity | 3440 mAh - 41 Wh |
| Battery / Capacity (Wh) | 41Wh |
| Battery / Voltage Provided | 11.36V |
| Battery / Capacity (Ah) | 3440mAh |
| Battery / Technology | Lithium polymer |
| Service & Support | |
| Service & Support / Type | 1-year warranty |
| General | |
| General / Product Type | Notebook battery |
| General / Device Type | Notebook battery |
| General / Subcategory | Batteries |
| Summary Details | |
| Type | Battery |
| Brand compatibility | HP |
| Compatibility | Pavilion L11421-422 |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)