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Product Code: BTEL-1951
MPN #: ALT283645B
Product Condition: New
Never let a dead laptop halt your work - a reliable power source is essential for staying productive. The PSA 2-Power ALT283645B Battery HP Pavilion L11421-423 Battery is a replacement lithium-polymer pack designed specifically for HP Pavilion notebooks, delivering the same voltage and capacity as the original. It restores full mobility, letting you work, stream or study without hunting for an outlet.
You gain peace of mind knowing the battery matches the OEM specifications, so your laptop runs as intended. The high-quality Japanese and Korean cells provide consistent performance day after day, reducing the risk of unexpected shutdowns. Its lightweight design keeps your notebook portable, while the one-year limited warranty adds confidence to your purchase. Overall, it offers a dependable power solution that supports your long-term computing needs.
A reliable power source fits seamlessly into daily routines:
Many buyers worry about compatibility and whether a third-party battery will truly match the original’s performance. They fear reduced run-time, poor fit or safety issues. PSA 2-Power eliminates these doubts by offering a battery built to the exact HP L11421-423 specifications, using premium cells for reliability. The exact voltage and capacity mean your notebook behaves exactly as it did with the OEM part, while the lightweight construction and one-year warranty give you confidence in both performance and durability.
| Miscellaneous | |
| Miscellaneous / OEM Manufacturer Battery Equivalent | HP L11421-423 |
| 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 |
| Battery / Voltage Provided | 11.34V |
| 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 L11421-423 |
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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)