Project:Laptop Powerbank: Difference between revisions
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{{ProjectInfoBox | {{ProjectInfoBox | ||
|project title= | |project title= Surface Pro 4 Powerbank | ||
|image= | |image= | ||
|status= in prototyping | |status= in prototyping | ||
|date= | |date= Jan 2019 | ||
|initiator= [[Luzian]] | |initiator= [[Luzian]] | ||
|team= | |team= | ||
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}} | }} | ||
My | My dad's daily driver is a Microsoft Surface Pro 4 and the NON-removeable battery has lost some of its capacity over the years, otherwise it still works fine. So we want to build an external battery pack. | ||
The Surface's power supply delivers 12 V DC, about the voltage you get out of a 3s Li-Po or Li-Io. I ordered a power plug for the Surface (it's a special magnetic connector with support for a dock) and we connected it to a 3s 3000mAh Li-Po. The laptop drained the battery all the way down to 10 V, for us this means we won't need a boost converter. | |||
Now I have to order 6 18650 cells and a suitable BMS. | Now I have to order 6 18650 cells and a suitable BMS. | ||
Revision as of 19:06, 9 February 2019
| ProjectInfoBox Surface Pro 4 Powerbank | |
|---|---|
| |
| Status: | in prototyping |
| Release Date: | Jan 2019 |
| Initiator: | Luzian |
| Materials Used: | 18650 litium battery, BMS |
| Tools Used: | soldering iron |
| Approx. Cost: | ~35$ |
My dad's daily driver is a Microsoft Surface Pro 4 and the NON-removeable battery has lost some of its capacity over the years, otherwise it still works fine. So we want to build an external battery pack.
The Surface's power supply delivers 12 V DC, about the voltage you get out of a 3s Li-Po or Li-Io. I ordered a power plug for the Surface (it's a special magnetic connector with support for a dock) and we connected it to a 3s 3000mAh Li-Po. The laptop drained the battery all the way down to 10 V, for us this means we won't need a boost converter.
Now I have to order 6 18650 cells and a suitable BMS.
