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Battery HP L11421-423
The HP L11421-423 battery is a Lithium‑Ion replacement battery designed to provide reliable power for compatible HP laptops. With a rated capacity of 3615 mAh, it is intended to deliver extended runtime for typical mobile computing tasks such as web browsing, document editing, and media playback. The battery is shaped and sized to match the original HP mounting points and connectors for straightforward installation and stable operation.
This Lithium‑Ion battery offers a balance of energy density and weight, providing longer run times compared with older battery chemistries while keeping the pack compact. The rated 3615 mAh capacity supports extended use between charges. Compatibility with HP laptop models ensures correct electrical and mechanical fit, which helps maintain system stability and charge reporting. The construction follows standard safety and performance practices for portable device batteries.
Turn off the laptop and disconnect any external power source before starting. Remove the existing battery following the laptop manufacturer’s disassembly procedure or user manual to avoid damaging connectors or fasteners. Align the replacement battery with the mounting points and connector, press gently until it seats, and secure any retaining screws or latches. After installation, connect the AC adapter and allow the system to recognize and calibrate the new battery; a full charge cycle is recommended for accurate charge-level reporting.
Use the battery within the ambient temperature range recommended by the laptop manufacturer; avoid extreme heat or cold. For prolonged storage, leave the battery at around 40–60% charge and store in a cool, dry place. Do not disassemble, puncture, or expose the battery to liquids or open flames. Dispose of or recycle according to local regulations for Li‑Ion batteries.
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| Warehouse | Stock | Delivery to the store | Store Price | |
| WH354 | 1154 | 13.07.2026 | 111.99 € |
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111.99 €
Stock:
1154
Delivery Date:
13.07.2026
Warehouse: WH354
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78.99 €
Stock:
1081
Delivery Date:
06.07.2026
Best delivery
Warehouse: EU6
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79.99 €
Stock:
150
Delivery Date:
06.07.2026
Best delivery
Warehouse: EU13
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108.49 €
Stock:
25
Delivery Date:
20.07.2026
Warehouse: WH109
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