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Product Code: BTEL-3840
MPN #: L17L3951-BTI
Product Condition: New
Battery life dropping mid-task can ruin your workflow and leave you stranded. The Battery Technology L17L3951 45Wh 11.1V Battery is a replacement lithium-ion pack designed for Lenovo laptops, giving you a reliable power source to keep you productive wherever you go. Its high capacity and exact voltage match ensure your device runs smoothly, extending work sessions without the anxiety of sudden shutdowns.
When a laptop’s original battery can no longer hold a charge, performance suffers and you may be forced to stay near a power outlet. This is especially frustrating for mobile professionals and students who need flexibility. The Battery Technology L17L3951 45Wh 11.1V Battery replaces the worn-out unit with a fresh, high-capacity pack that restores your device’s original runtime. By matching the original specifications, it eliminates compatibility issues and delivers consistent power, so you can focus on your work rather than hunting for a charger.
Ideal for a range of everyday scenarios, this battery fits seamlessly into your routine.
You gain confidence that your laptop will stay powered through meetings, lectures and long flights, reducing the need to search for outlets. The exact voltage and capacity mean the device runs as if it were brand new, preserving performance and preventing unexpected shutdowns. Its lithium-ion chemistry offers a longer overall lifespan than older battery types, saving you money on future replacements. The sleek black finish maintains the laptop’s aesthetic, while the single-piece packaging simplifies installation. Overall, this battery restores freedom and reliability to your mobile computing experience.
| Features | |
| Brand compatibility | Lenovo |
| Product colour | Black |
| Battery capacity | 45 Wh |
| Battery voltage | 11.1 V |
| Number of battery cells | 3 |
| Battery | |
| Battery capacity | 45 Wh |
| Battery technology | Lithium-Ion (Li-Ion) |
| Packaging data | |
| Number of batteries included | 1 pc(s) |
| Summary Details | |
| Battery capacity | 4120 mAh |
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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)