Great job! I just built two 24v EEL boxes using the new 306ah cells from EVE. Plan is to put them in an aluminum truck tool box and carry that on a bumper hitch cargo tray along with a 24v charger/inverter from Sungoldpower which I already have on hand. This should allow me to move it from the bus to the travel trailer to the Sprinter with little effort, depending on the mission. It's not as fancy as the Victron gear, but for my purposes should be more than adequate.
@@sotasolar Looks like the RUclips algorithm deleted my comment for whatever reason. For my home, I didn't use Victron inverters (yet). I'm trying out some fairly inexpensive inverters currently (2 AIO's that natively do split phase, wired to a combiner). They work well enough and have handled loads around 15-16k watts without issue. I don't expect them to last a super long time though, tbh. Time will tell. There's a good chance I'll be looking for a pair of Quattro 10k's, a Cerbo, and charge controller(s) before too long. If you know anyone who sells Victron stuff. ;-) I have tried closed loop with mine and it works fine, but it's not as nice as Victron integration. Open loop based on voltage works as well or better. These BMSes (it's a JK Inverter BMS you're working with) have a great active balancer, handle load well, but are confusing to configure and can easily lose accurate SOC if not fully charged fairly frequently. You only have one battery here, so it's not a concern. From what I can gather, the 4 I have are connected together , the 'master' BMS isn't taking the others into account when advising the inverter CVL/CCL/etc. I honestly don't know if they'll ever fix it -- it's been an ongoing issue. (If you haven't, check out Off Grid Garage channel). The case and batteries I got are great, I'd highly recommend if you continue to do builds like this. I can knock out a battery in about 1.5 hours at this point. I sourced 66 cells (2 spares) + 4 cases direct from China (using Docan) and it took about 2.5 months to get in, but I was not in a rush. My 5th pack was sourced from the US, same supplier. My only dislike on these cases is the lack of a breaker for disconnect. I've set them up to have a din rail mounted with the case faceplate screws and a double pole MCB 125A C curve breaker. The fuse inside is nice, but I don't trust it 100% with the kind of current one of these packs is capable of. Breaker for disconnect or maintenance -> 250A T-class fuse -> on to the bus. If you are interested in pics or more details, let me know. Not sure if you remember, we've talked before when I was doing my RV build.
Is this system certified to the UL 1642 standard? (e.g. high vibration environments) UL 1642 is typically used for evaluating and certifying lithium-ion phosphate batteries, including their performance in high vibration environments. This standard ensures that the batteries can withstand physical shocks, vibrations, and impacts that they might encounter during transportation, installation, or normal operation.
Sorry if I said 6/3, it’s 10/3 . We get it here at Menards. Windy Nation has 10/3 though . www.windynation.com/products/copy-of-10-4-soow-cable-cord-wire-10-gauge-10-awg-4-conductor-600v-portable-power-extension-cord-cable-with-ultra-flexible-insulation-jacket
Planning a similar setup but worried I may not have enough volts from solar on a cloudy winter day (in Ontario) to charge the 51.2v battery. Have you had any issues with that and using the 2S2P 2000w array?
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Thanks Shawn,i am happy to work with you.looking forward to work with you again.
We'd love to do more of these. Shawn@sotasolar.com to arrange something.
Great job! I just built two 24v EEL boxes using the new 306ah cells from EVE. Plan is to put them in an aluminum truck tool box and carry that on a bumper hitch cargo tray along with a 24v charger/inverter from Sungoldpower which I already have on hand. This should allow me to move it from the bus to the travel trailer to the Sprinter with little effort, depending on the mission. It's not as fancy as the Victron gear, but for my purposes should be more than adequate.
I just built 4 of these for a full home system. Got a 5th yet to go.
Are you using BMS communication? How’s it going so far?
@@sotasolar Looks like the RUclips algorithm deleted my comment for whatever reason.
For my home, I didn't use Victron inverters (yet). I'm trying out some fairly inexpensive inverters currently (2 AIO's that natively do split phase, wired to a combiner). They work well enough and have handled loads around 15-16k watts without issue. I don't expect them to last a super long time though, tbh. Time will tell. There's a good chance I'll be looking for a pair of Quattro 10k's, a Cerbo, and charge controller(s) before too long. If you know anyone who sells Victron stuff. ;-)
I have tried closed loop with mine and it works fine, but it's not as nice as Victron integration. Open loop based on voltage works as well or better. These BMSes (it's a JK Inverter BMS you're working with) have a great active balancer, handle load well, but are confusing to configure and can easily lose accurate SOC if not fully charged fairly frequently. You only have one battery here, so it's not a concern. From what I can gather, the 4 I have are connected together , the 'master' BMS isn't taking the others into account when advising the inverter CVL/CCL/etc. I honestly don't know if they'll ever fix it -- it's been an ongoing issue. (If you haven't, check out Off Grid Garage channel).
The case and batteries I got are great, I'd highly recommend if you continue to do builds like this. I can knock out a battery in about 1.5 hours at this point. I sourced 66 cells (2 spares) + 4 cases direct from China (using Docan) and it took about 2.5 months to get in, but I was not in a rush. My 5th pack was sourced from the US, same supplier. My only dislike on these cases is the lack of a breaker for disconnect. I've set them up to have a din rail mounted with the case faceplate screws and a double pole MCB 125A C curve breaker. The fuse inside is nice, but I don't trust it 100% with the kind of current one of these packs is capable of. Breaker for disconnect or maintenance -> 250A T-class fuse -> on to the bus. If you are interested in pics or more details, let me know. Not sure if you remember, we've talked before when I was doing my RV build.
Is this system certified to the UL 1642 standard? (e.g. high vibration environments)
UL 1642 is typically used for evaluating and certifying lithium-ion phosphate batteries, including their performance in high vibration environments. This standard ensures that the batteries can withstand physical shocks, vibrations, and impacts that they might encounter during transportation, installation, or normal operation.
that's a big ass battery. Don
The BAB , I like it.
Great video. Where can I get that flexible 6/3. I need that!
Sorry if I said 6/3, it’s 10/3 . We get it here at Menards. Windy Nation has 10/3 though . www.windynation.com/products/copy-of-10-4-soow-cable-cord-wire-10-gauge-10-awg-4-conductor-600v-portable-power-extension-cord-cable-with-ultra-flexible-insulation-jacket
Planning a similar setup but worried I may not have enough volts from solar on a cloudy winter day (in Ontario) to charge the 51.2v battery. Have you had any issues with that and using the 2S2P 2000w array?
These panels put out 45-50v each, so together we’re at 90-100v it will do fine.
What’s that box truck going to be used for. You guys are good.
Some sort of light overlanding adventure vehicle.