Torben J
New Member
- Joined
- Feb 21, 2021
- Messages
- 30
I purchased 24 Pack 3.2v 25ah Lifepo4 Topband Prismatic and want to build a 2000W battery box. See attached picture. the 3P bus bars are not installed. What Gauge should I use? I'm using the following bus bars.
I'm planning an 8S 3P setup. 24V. Added a DC Stepdown transformer to 12V for 12V Accessories.
2000 W Inverter, Using this battery box, I really like the way it's set up.
My Charger is AIMS Power 12/24V
I have one 300W portable solar panel, that comes with a charge controller.
I have a few questions. I thought 24V would be better than 12V due to the lower Amps, however, I'm concerned about the BMS only monitoring 3 sets of 8 cells. What gauge cables should I use for the 3P connections and do I use a combiner bus bar?
For BMS I'm considering Overkill Solar 8s BMS 100a LifePo4. I have not found a 4s BMS.
I could go 12V and 4S 6P. Then I would need a 200a Daily BMS like this one not as good ad Overkill Solar, but Overkill Solar does not have a 200a BMS. I can switch out the Inverter with Amazon.
When I topped 8 cells with my charger they did drift some. I need to top balance the batteries first 24P. All cells arrived with a 3.29V charge.
Potential usage portable power, and emergency power. Might add solar panels and a charge controller at some point in the future.
Want to build a whole-house battery bank in the future.
The current project is below.
I'm planning an 8S 3P setup. 24V. Added a DC Stepdown transformer to 12V for 12V Accessories.
2000 W Inverter, Using this battery box, I really like the way it's set up.
My Charger is AIMS Power 12/24V
I have one 300W portable solar panel, that comes with a charge controller.
I have a few questions. I thought 24V would be better than 12V due to the lower Amps, however, I'm concerned about the BMS only monitoring 3 sets of 8 cells. What gauge cables should I use for the 3P connections and do I use a combiner bus bar?
For BMS I'm considering Overkill Solar 8s BMS 100a LifePo4. I have not found a 4s BMS.
I could go 12V and 4S 6P. Then I would need a 200a Daily BMS like this one not as good ad Overkill Solar, but Overkill Solar does not have a 200a BMS. I can switch out the Inverter with Amazon.
When I topped 8 cells with my charger they did drift some. I need to top balance the batteries first 24P. All cells arrived with a 3.29V charge.
Potential usage portable power, and emergency power. Might add solar panels and a charge controller at some point in the future.
Want to build a whole-house battery bank in the future.
The current project is below.
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