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Product Code: BTEL-1926
MPN #: ALT283636B
Product Condition: New
Battery life slipping while you work or study can be frustrating, especially when you rely on a laptop for long sessions. The PSA 2-Power ALT283636B Battery HP Pavilion L11421-1C3 Battery is a direct-fit replacement that restores reliable power to your HP Pavilion notebook, letting you stay productive without hunting for an outlet.
You gain confidence knowing the battery matches the original specifications, so your laptop runs just as it did from the factory. The use of Japanese and Korean cells means a longer lifespan and fewer unexpected drops in performance. A one-year limited warranty gives peace of mind, while the lightweight design (6.07 oz) keeps your notebook portable. Consistent voltage (11.36 V) ensures stable operation, and the 3440 mAh capacity provides ample run-time for everyday tasks.
Ideal for everyday scenarios, this battery keeps you productive wherever you go:
Many buyers worry that third-party batteries will under-perform or damage their laptop. Common doubts include concerns about mismatched voltage, reduced capacity, or poor build quality. With the PSA 2-Power ALT283636B Battery HP Pavilion L11421-1C3 Battery, those worries are unfounded. The battery is engineered to the exact specifications of the original HP unit, using high-grade cells that meet the same voltage and capacity standards. Its lightweight construction and reliable lithium-polymer chemistry mean you get the same performance without the bulk.
Choosing this battery removes the guesswork from replacement decisions. You receive a product that has been tested for compatibility with HP Pavilion notebooks, backed by a one-year warranty, and supported by a reputable European supplier with extensive stock. This ensures you can replace your worn-out battery confidently, knowing you’ll enjoy the same reliability and portability as the original.
| Miscellaneous | |
| Miscellaneous / Color Category | Black |
| Miscellaneous / OEM Manufacturer Battery Equivalent | HP L11421-1C3 |
| 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 L11421-1C3 |
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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)