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A. Batteries work better at this time, caps are rare and expensive devices that are very good at doing things not needed for storage systems typically.
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New battery cells for your PCB project https://j35.us/TeslaCells
FAQ:
1) Where can learn more about batteries? http://j35.us/DIYlithiumBatteryBook
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8) Why not use Supercapacitors?
A. Batteries work better at this time, caps are rare and expensive devices that are very good at doing things not needed for storage systems typically.
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link of inverter?
dc input of inverter?
Can these module uaed to make a car battery aystem?
Good testing. There is a problem when you use mechanical connections to the batteries. The resistance between the battery and the terminal will go up when you pull more power. Also, the terminals from the battery clip to the circuit board should be more robust. This is where you need "Hard Connected" cells from the batteries to the outputs. Spot welded connections and larger wiring is needed. Regarding the resistor lead for the fuse, it isn't going blow for any reason. That little wire can easily source 10 or more amps through it. Been that route myself already. Battery technology is scary what these cells can produce in power, while balancing the overheating before a massive outbreak of a fire in present. Remember also, water cannot put out a Lithium-Ion fire. All these electric vehicles are subject to MASSIVE destruction when these cells short or catch on fire for other reasons. Great explanations and testing procedures on your behalf for everyone.
I would try tinning the contact pads with a decent thick layer. The soft metal will make better contact.
Wow this is great
How do they get more mAh for the same 18650 cells? What is the highest mAh can one get? The highest mAh will give you lowest weight for a given pack, wont it?
Great work! One more idea for your design: I'm seraching for a solution for a battery pack that is capable to put out 12V and 24V at the same time! Do you think using this PCB's in a 4S configuration with BMS and adding an further PCB witch can somehow using them in parallel and in series at the same time is possible? I also discussed this idea in a german forum and a lot of people are interestted in this idea especially fo small offgrid systems. This could save a lot of energy because you dont need to use a step up / step down converter….
So you’ve shown us on Vice and Motherboard how to do powerwall. I know this is silly. But is there anyway to buy certain items, like toilet paper from the dollar tree instead of Costco and save money on groceries and commodities? What I’m asking for is a comprehensive hack or video on how to do so. Because obviously I’ve answered my own question here. The answer is – yes.
I saw a video that you made or were in that I have been trying to find again but can't locate it. In the vid you were at an outdoor event and talked to a guy who had made an elec bike by mounting a scooter hub motor on the front above his front wheel with the scooter tire pressing against his bike tire. He had it over-volted and it was crazy fast? Can you direct me to that vid please? Thanks
After trying to spot weld 8 packs with 65 batteries each, I am so ready to spend money on traditional battery holders and blank pc boards to solder the holders to. Etching is easy. All the boards are the same you can use a stencil and a marker. Your boards are probably cheaper or the same as making your own so heck yeah. Your accent brings back good memories from the Navy.
oh nevermind, this design is a fail.
How can I replicate this build without having those boards? I want to build a battery or two for scooters and karts for my two sons?
this guy's a battery genius, thanks for sharing!
Maybe add microfans for each panel, blowing ACROSS the board.
Also, a bit larger fan (same used in other electronic supplies).
Finally, venting on the top and bottom of the panel enclosures.
Should accommodate lots more heat than massive numbers of these boards can produce.
Fans can go a loooooong way!