Charging Li Batteries in the Car
I wanted a solution for charging Li-chemistry batteries (LiFePO4 mostly) in the car. Commercial chargers are pricy! This solution uses inexpensive boards from Amazon to deal with the random voltages in a car and the charging characteristics of a lithium battery.
If you want to 3D print a case, here's a nifty viewer submitted design (Thanks Charlieray!!!).
https://www.thingiverse.com/thing:5092874
Chapter markers are provided so you can skip the gabbing if you like. Remember it's easy for you to skip/fast-forward. There's no "tell me more" button for folks who want the long format....
The boards I used:
Charge controller: https://www.amazon.com/gp/product/B06XT6KMPX
DC to DC converter: https://www.amazon.com/gp/product/B082XQC2DS/
00:00 - Intro
00:31 - Voltage Considerations
01:46 - Current Considerations
02:55 - CC-CV Charging
03:27 - BMS Boards
04:45 - Circuits we can buy
05:55 - Charging circuit on the bench
11:46 - DC to DC Boost board on the bench
21:11 - Wrap Up
Видео Charging Li Batteries in the Car канала Matt Heere
If you want to 3D print a case, here's a nifty viewer submitted design (Thanks Charlieray!!!).
https://www.thingiverse.com/thing:5092874
Chapter markers are provided so you can skip the gabbing if you like. Remember it's easy for you to skip/fast-forward. There's no "tell me more" button for folks who want the long format....
The boards I used:
Charge controller: https://www.amazon.com/gp/product/B06XT6KMPX
DC to DC converter: https://www.amazon.com/gp/product/B082XQC2DS/
00:00 - Intro
00:31 - Voltage Considerations
01:46 - Current Considerations
02:55 - CC-CV Charging
03:27 - BMS Boards
04:45 - Circuits we can buy
05:55 - Charging circuit on the bench
11:46 - DC to DC Boost board on the bench
21:11 - Wrap Up
Видео Charging Li Batteries in the Car канала Matt Heere
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