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Product Code: BTEL-3715
MPN #: 5B11B36279-BTI
Running out of power on your Lenovo laptop can halt work and cause stress, especially when you’re on the move. The Battery Technology BTI 5B11B36279 45Wh 11.1V Battery is a reliable replacement that restores full performance, giving you the freedom to stay productive wherever you are. Its lithium-ion chemistry ensures long life and consistent power output, so you can trust it to keep your device running smoothly.
Owning this battery means you experience dependable run-time without the worry of sudden shutdowns. It fits seamlessly into your Lenovo notebook, delivering the same power profile as the original unit. You’ll notice a steady, uninterrupted workflow and the confidence that comes from a battery designed for everyday demands.
This battery is ideal for students, professionals, and travellers who need reliable power for long lectures, intensive projects, or remote work sessions. It also suits anyone replacing a worn-out laptop battery who wants to maintain original performance without compromise.
| 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 | 4050 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)