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Product Code: BTEL-154
MPN #: 357F9-BTI
Product Condition: New
Running out of power mid-task is frustrating, especially when you rely on a laptop for work or study. The Battery Technology BTI 74Wh 11.1V 6666mAh Battery is a high-capacity notebook battery that keeps your device running longer, so you can stay productive without hunting for an outlet.
This battery is ideal for students, professionals and travellers who need extended runtime on the go. It fits laptops that use the Dell 357F9 format, giving you reliable power for meetings, classes or long flights without interruption.
Choosing this battery means you get more than just extra juice. The 6666 mAh capacity translates into noticeably longer usage periods, which is perfect for busy days when you can’t afford downtime. Its black finish blends seamlessly with most notebook designs, maintaining a clean look while delivering robust power.
With a solid 18-month warranty, you also benefit from manufacturer support that protects your investment. The battery’s six-cell construction ensures balanced discharge and longevity, giving you dependable performance over many charge cycles.
| Miscellaneous | |
| Miscellaneous / Color Category | Black |
| Miscellaneous / OEM Manufacturer Battery Equivalent | Dell 357F9 |
| Header | |
| Header / Product Line | BTI |
| Header / Packaged Quantity | 1 |
| Manufacturer Warranty | |
| Manufacturer Warranty / Service & Support | Limited warranty - 18 months |
| Battery | |
| Battery / Capacity | 6666 mAh - 74 Wh |
| Battery / Capacity (Wh) | 74Wh |
| Battery / Voltage Provided | 11.1V |
| Battery / Capacity (Ah) | 6666mAh |
| Battery / Technology | Lithium polymer |
| Service & Support | |
| Service & Support / Type | 18-month warranty |
| General | |
| General / Product Type | Notebook battery |
| General / Device Type | Notebook battery |
| General / Subcategory | Batteries |
| Summary Details | |
| Number of batteries included | 1 pc(s) |
| Battery capacity | 6666 mAh |
| Battery capacity | 74 Wh |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery voltage | 11.1 V |
| Product colour | Black |
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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)