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Confirming some old panels are working OK before mounting them on my bunkie roof, and was happy to see they are still performing ABOVE their rated power output 12 years later! How are others finding power degradation over time on their panels? These are 230 Watt Canadian Solar panels - 4 in...

Will Wen from Daly BMS recently posted this DIY battery instructional video... some good tips in there even if you don't plan on using a Daly:

After placing two orders in the past year that went very well, I'm happy to recommend Shenzhen Hongxinda New Energy Co. as a reputable supplier of LiFePo4 cells from China: https://hongxinda88.en.alibaba.com/ The sales rep I worked with was Eric Wang and I have been very impressed with his...

I am finally getting around to building my next 24v pack from 302 Ah CATL cells and have encountered a strange issue while performing the initial charge. The plan was to individually fully charge each cell using an iCharger x8 at 30amps, completely discharge each cell for capacity test, then...

I think I would be able to fully understand this chart if it was in English, but I'm having a hard time interpreting the results from this test report I received for cells I ordered from Eric Wang of "Shenzhen Hongxinda New Energy Co., Ltd.": Would someone mind assisting and give me the...

I have four 25Ah LiFePo4 cells that I want to use temporarily as a small 12v trolling motor battery. I expect no more than 30 amp draw max, mostly 20 amp continuous. I'm in a remote area and don't have proper busbar material on hand (or handy), so I was thinking of connecting the cells using 8...

Just passing along a deal I found locally... picked up 4 from this guy last night and they are in good condition and work fine. He's got about 50 left for anyone else looking for cheap used panels in the GTA (Toronto) : https://www.kijiji.ca/v-view-details.html?adId=1624325055

One of the reasons I was considering a Sol-Ark 15k over a 12k is because the 15k supports 200amp passthrough compared to the 12k's 63amp pass-through. However, at the 24 minute, 13 second mark of this video, Tom Brennan states "we are working so that we can use the smart load 14 as an automatic...

Are there any SolarEdge hybrid inverters (for North America - Toronto) that perform net metering and support NON PROPRIETARY 48volt batteries? Looking for around an 8Kw version. Most of the local installers favor SolarEdge, which is why I'm looking at that brand specifically. I'd like the...

https://www.kijiji.ca/v-view-details.html?adId=1616162905 This 12v Magnum Inverter is in like-new condition. Just removed from a working site that upgraded to 24v, this unit has only been used 2 seasons and is in perfect condition. This 2200 watt (continuous use) inverter supports peaks of up...

I'm trying to configure my Growatt SPF 3000TL LVM (24 volt) to match the requirements for my Rolls Surrette Flooded Batteries (4x6CS25PS, 6v, Surrette/Rolls, 1156 Ahr@100hr, 820Ah @20hr) but the Growatt voltage charge settings don't seem to go high enough for my requirements. Am I missing...

Hi all, I have a head-scratcher I'm hoping you guys can help with! I'm about to replace some older solar panels on my roof, but before I do I was interested what my total power potential is at the moment. Everything was setup by the previous owner and is located high on a roof so I can't get a...

Hi everyone - first time post but I've gained a lot of knowledge from information on this site. Thanks in advance! We recently purchased an off-grid cabin that has a very small scale solar setup. Previous to purchasing this property, I had ZERO experience with solar technology but I have been...