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Thanks for the great reviews. Just to add to the review re customer service, there is none in my experience. I ordered from their US warehouse and they collected my money immediately. 4 weeks later it had not shipped and I asked about it. I needed a battery for a project. No response. I asked again a week later and requested a refund as I had to buy from somewhere else. No response. I opened an investigation with PayPal and then they delivered the battery to the shipper. I contacted them immediately and told them I no longer need the battery and requested a refund. No response. So, seven weeks after ordering I will be receiving a battery I no longer need or want and through the entire process they did not respond to a single communication from me. I would run away from this seller and look at the other batteries reviewed on this channel.
Don't think I would want this in my home or property. Loose cables that's not acceptable. I know I could check them but then my warranty is out the door. Great job finding the pitfalls.
100℅ agree. It's a shame my microphone malfunctioned. I had more footage of the teardown I didn't use. Oh well, views got the point. Thanks for watching 😁
Not fond of pouch cells. And definitely not fond of the build quality. But hopefully videos like this will encourage them to make changes. Nice work on this one.
Oh man, those loose cables are awful! Those bolts are probably bottomed out and is maybe why they thought it was tightened correctly? But really common sense on their part should have caught that for sure.
I wish my microphone was working properly during that to catch my reaction. I was shocked. I was able to tighten the screw down with an impact gun and fix it.
At a first glance, it just looks like a cheap battery. Why in the world would you have to program the meter when you get it? Thanks for always digging into these! Never been a fan of pouch cells either.
Same findings here with this battery. In addition to the bad build quality, one of the pouch cells was leaking eletrolyte 😲(maybe damaged during transport due to the usage of the soft foam), so i had to stop further testing and give my workshop a good ventilation. Second battery from GoKWH is on it's way, they seem to have learned and upgraded the build quality.
None of the batteries I've had have leaked on me yet, I'm scared of the day that happens. I have the new one to just haven't gotten around to review. They are still selling the crappy one.
@@Roll2Videos Well the good thing about that is: got some LiFePO4 pouch cell for experiments 🤷🏻. Jup, i saw that they still sell the crappy ones. If you do not move them like in a RV that should not be a big problem - could still be usable in a stationary system. But it‘s not a good policy - they should be upgraded with at least the stiffer foam pads.
pouch cells should have a lower internal resistance compared to prismatic cells, but they also need to have proper compression to withstand higher discharge rates without getting damaged prematurely.
@@Roll2Videos I'm definitely sold on the powerwins, shame that they don't have temp protection if I understand from the video. Correct me if I'm wrong.
1) I didn't see you confirm they are pouch cells. 2) if they are not pouch cells, and the price was low enough, I'd be tempted to buy them, disassemble them, and use them as part of a diy-type system. BMS seems fine if you can change the low temp setting.
Sorry about that, In the clip that I captured showing the pouch cells I had a microphone malfunction and cut it short. They are indeed pouch cells and the low temperature parameter cannot be modified. It was a JBD bms that was about the only thing this battery had going for it. 🍻
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Recommended Online Store For Solar Equipment.
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Thanks for the great reviews. Just to add to the review re customer service, there is none in my experience. I ordered from their US warehouse and they collected my money immediately. 4 weeks later it had not shipped and I asked about it. I needed a battery for a project. No response. I asked again a week later and requested a refund as I had to buy from somewhere else. No response. I opened an investigation with PayPal and then they delivered the battery to the shipper. I contacted them immediately and told them I no longer need the battery and requested a refund. No response. So, seven weeks after ordering I will be receiving a battery I no longer need or want and through the entire process they did not respond to a single communication from me. I would run away from this seller and look at the other batteries reviewed on this channel.
Wow, that is not how to run a business. Sorry you had such a bad experience.
It's nice to see the inside of that battery. I checked and made sure I got 100ah, so that was good but I did not tear it down. Cool review.
Thanks for the honesty!
Always 😁
Don't think I would want this in my home or property. Loose cables that's not acceptable. I know I could check them but then my warranty is out the door. Great job finding the pitfalls.
Thank you for appreciating my video 😁
Great review! Yeah these guys have some work to do fixing these issues.
100℅ agree. It's a shame my microphone malfunctioned. I had more footage of the teardown I didn't use. Oh well, views got the point. Thanks for watching 😁
Not fond of pouch cells. And definitely not fond of the build quality. But hopefully videos like this will encourage them to make changes. Nice work on this one.
Thanks for the valuable detailed review!
Oh man, those loose cables are awful! Those bolts are probably bottomed out and is maybe why they thought it was tightened correctly? But really common sense on their part should have caught that for sure.
I wish my microphone was working properly during that to catch my reaction. I was shocked. I was able to tighten the screw down with an impact gun and fix it.
At a first glance, it just looks like a cheap battery. Why in the world would you have to program the meter when you get it? Thanks for always digging into these! Never been a fan of pouch cells either.
You're welcome, Prismatic cells are definitely preferred over poached cells.
🫱🫲
Great job. I really enjoy your videos.
Same findings here with this battery. In addition to the bad build quality, one of the pouch cells was leaking eletrolyte 😲(maybe damaged during transport due to the usage of the soft foam), so i had to stop further testing and give my workshop a good ventilation.
Second battery from GoKWH is on it's way, they seem to have learned and upgraded the build quality.
None of the batteries I've had have leaked on me yet, I'm scared of the day that happens. I have the new one to just haven't gotten around to review. They are still selling the crappy one.
@@Roll2Videos Well the good thing about that is: got some LiFePO4 pouch cell for experiments 🤷🏻.
Jup, i saw that they still sell the crappy ones. If you do not move them like in a RV that should not be a big problem - could still be usable in a stationary system. But it‘s not a good policy - they should be upgraded with at least the stiffer foam pads.
This is why I watch battery reviews. Thank you 😀
You're welcome
Can you do a review on the Rich Solar alpha 5 sever rack battery ?? Thanks for your videos I have learned a ton!!! keep it up.
I would love to but I don't think they would be willing to send me one to review. :/
Great review, teardown and honest review so we do not have to waste our money.
Agree
Noticed your hoodie.. KCCO my friend! 🤘🤘
It's an old one 🤣
pouch cells should have a lower internal resistance compared to prismatic cells, but they also need to have proper compression to withstand higher discharge rates without getting damaged prematurely.
That makes sense. Thank you you've taught me something new, I was unaware of that.
There's another youtube channel I sub to that was shilling these a day ago.
I almost bought a 200amp hour one. This video will be the deciding factor.
It's important to do teardowns
@@Roll2Videos I'm definitely sold on the powerwins, shame that they don't have temp protection if I understand from the video. Correct me if I'm wrong.
@@PhonePhone-sf8te No temperature protection on the Powerwin.
try the version with bluetooth display.
ruclips.net/video/NMPMLvuyMW8/видео.html
1) I didn't see you confirm they are pouch cells. 2) if they are not pouch cells, and the price was low enough, I'd be tempted to buy them, disassemble them, and use them as part of a diy-type system. BMS seems fine if you can change the low temp setting.
Sorry about that, In the clip that I captured showing the pouch cells I had a microphone malfunction and cut it short.
They are indeed pouch cells and the low temperature parameter cannot be modified. It was a JBD bms that was about the only thing this battery had going for it. 🍻
It says they're pouch cells right on the website.
@@PhonePhone-sf8te Yes, I even posted the same graphic in my video that's on the website.
Too many quality control issues. What did they do right?
They used a JBD BMS but with the wrong parameter settings. The pack passed the capacity test. 🤷
So what is a better similar battery?
There are a few on my channel that you can look at.