MrRoyal007
New member
- Joined
- May 14, 2019
- Messages
- 6
Hello again,
I want start to build my battery project. I decide to make an easy pack at first.
My goal: 12 V / ~ 50 Ah (need it for a cooling box (40 W) in my car - should work for 1-2 days).
So I think I would connect 4 cells in "S" and 14 cells in "P" (so need 56 cells - each cell with 3.7 V / 3.500 mAh).
What do you recommend? 3 cells in S (11.1 V an then StepUp) or 4 cells in S (14.8 V an then StepDown)?
Which BMS do you recommend for this system?
And last question: Is it better to use less batteries with more power (3000 or 3500 mAh) or more batteries with less power 1000 or 1500 mAh)?
Thanks for your advice!
Best regards
MrRoyal007
I want start to build my battery project. I decide to make an easy pack at first.
My goal: 12 V / ~ 50 Ah (need it for a cooling box (40 W) in my car - should work for 1-2 days).
So I think I would connect 4 cells in "S" and 14 cells in "P" (so need 56 cells - each cell with 3.7 V / 3.500 mAh).
What do you recommend? 3 cells in S (11.1 V an then StepUp) or 4 cells in S (14.8 V an then StepDown)?
Which BMS do you recommend for this system?
And last question: Is it better to use less batteries with more power (3000 or 3500 mAh) or more batteries with less power 1000 or 1500 mAh)?
Thanks for your advice!
Best regards
MrRoyal007