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Product Code: BTEL-3774
MPN #: 66DWX-BTI
Product Condition: New
Running out of power mid-task is frustrating, especially when you rely on a Dell Latitude for work or study. The Battery Technology 66DWX-BTI 57 Wh 3-cell 11.4 V Battery is a direct replacement that restores full-day mobility to your notebook, letting you stay productive without hunting for a charger.
If you own a Dell Latitude 7340, 7440 or 7640, you know the original battery can lose capacity over time, leading to frequent recharges and reduced productivity. Finding a reliable replacement that matches the original specifications can be difficult, and low-quality alternatives may cause overheating or poor performance. This Battery Technology battery delivers the exact capacity, voltage and fit of the OEM part, ensuring your laptop runs as smoothly as when it was new, without the hassle of compatibility worries.
The 57 Wh Battery Technology battery is ideal for professionals who travel, students attending long lectures, and anyone needing reliable power for demanding applications such as video conferencing, data analysis or creative work on a Dell Latitude notebook. It restores the original endurance of your device, making it suitable for office, home or on-the-go use.
| Miscellaneous | |
| Miscellaneous / Color Category | Black |
| Miscellaneous / OEM Manufacturer Battery Equivalent | Dell 66DWX |
| Header | |
| Header / Product Line | BTI |
| Header / Packaged Quantity | 1 |
| Battery | |
| Battery / Capacity | 5000 mAh - 57 Wh |
| Battery / Capacity (Wh) | 57Wh |
| Battery / Voltage Provided | 11.4V |
| Battery / Capacity (Ah) | 5000mAh |
| Battery / Technology | Lithium ion |
| 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 | 4878 mAh |
| Battery capacity | 57 Wh |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery voltage | 11.4 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)