About UsRUIXU Batteries is one top of Lithium Iron Phosphate Batteries Pack manufacturers. We provide the drop-in replacement LiFePO4 Battery Pack for customers.Also, we provide the Brand new & A grade LiFePO4 Battery cells and battery management system for DIY.RUIXU LiFePO4 Batteries are used widely on RV,Marine, or any of your energy storage applications.Ruixu batteries are selling through on this website,amazon and aliexpress.“We believe in honesty to customers could run long time business,Sharing new technology to customers could be more competitive.”
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I purchased (3) 12v 100Ah kits without BMS to use as a house battery for my sailboat. The 12 SinoPoly cells arrived in two well packed boxes in two weeks to the US east coast. This was excellent and was much better than indicated when purchased.
On unpacking, I inspected the cells and found them in excellent condition. I measured the voltage of each cell with a Fluke multi-meter and found them all to be exactly 3.295v, which is also excellent. Over the next few weeks I capacity tested each cell individually by charging at 30A with a bench power supply to 3.5v and then holding voltage constant until the current tapered down to 5A. This charging protocol is slightly less than spec'd by SinoPoly for these cells which calls for 33A to 3.65v and tapering to 2A. Then after resting, I discharged the cells at a constant 20A current stopping at 2.8v (instead of 2.5v) and measuring the Ah's delivered. All cells delivered nominal rated capacity with results ranging from 99.5 to 102 Ah. This is excellent performance since my charging and discharging procedure left probably 5-10 Ah unused due to charging and discharging at less than the spec's.
I consider these results excellent and I definitely recommend these cells. Of course only time will tell how many cycles these cells will deliver in my application. However I am pretty confident that with careful monitoring these cells will deliver years of service.
BTW I was not compensated in any way by Ruixu. I believe Ruixu is delivering a quality product at a competitive price. Thanks Ruixu.
Update: The system is all installed now, and the batteries work great, hence I can update the rating to 5. As a crude test, I ran the 750 Watt microwave in 5 minute bursts, and after 45 minutes the battery was still holding up and I was getting bored with the test, so I stopped. I am very happy with the batteries.
I haven't capacity tested this yet, still busy installing the system and some parts are still outstanding. However, delivery was very quick and I was very gratified to receive a call from the supplier (in China) to check on my satisfaction. I will upgrade this review once I have capacity tested the batteries.
Prompt shipment, product was packaged well, all supplemental parts arrive also, total product performed as expected.
Four cells did not need to balance. Work better then expected. Took two weeks to deliver. I will be buying another.