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    Battero Tech BT280 3.2V 280Ah LiFePO4 Cells - US$55.00 _ GobelPower.com

    So I decided to take a chance on Battero Tech BT280 3.2V 280Ah LiFePO4 Cells for US$55/cell shipped from China. I place an order on Nov 22 2023, received them (4 cells) on Dec 31 2023. Top balance and ran the test as a 12.8V pack, I get 293Ah from it and have it installed in my system since...
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    Xday bendable 100W solar panel test

    I got this Xday 100W panel from Amazon Vine to test with my Bluetti EB70. I was surprised how well it works compared to my ACOPOWER 100W panel. I can get over 90W in typical day and 104W with edge cloud situation. I put wooden frame on it so I can stand it up easier. I have no idea how long it...
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    DIY The AlternatorGenerator by David Poz

    Very interesting video, especially using Victrom MPPT as the charge controller fed from the output of the alternator (215A)
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    Interesting Battleborn batteries failure

    I hope we will see the follow-up from Battleborn.
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    REPT 280Ah grade B from 18650Batterystore test result

    I just received my REPT 280Ah grade B from 18650Batterystore today, 12-29-2022, these are Black Friday special for only $100 ea, + $65 shpd (4 cells) to N.Cali. I test the Voltage on each cell, they are around 3.45V! it only took < 1hour to full charge each cell to 3.55V and <1A tail current, it...
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    EVE battery manufacturing video

    I can see what are inside the battery cell, very interesting video.
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    LiFePO4 Battery Assembly Line - Small Pack

    Very interesting video. I do not see any cells sorting, matching, or top balance being performed, I wish they will show that.
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    Eaton Cooper BussMann 12V 1000W PSW inverter 12-110-1000 New Old stock for $115

    I found this unit on Ebay for $115, so I bought two, one for me and one as a present for my friend. It is New Old stock, the two I bought are made on July 7, 2015. The unit looks well built, seems to be made by Xantrex which was acquired by Eaton (Eaton acquired Cooper Bussmann), these units are...
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    Victron 100/50 with burnt out internal

    Very interesting video showing the inside of the burnout Victron 100/50 MPPT charge controller that the guy bought from EBAY for parts. Part 1: Part 2:
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    Sunfunkits show their true color

    They really suck. They do not even know how to use test equipment properly. I sure like to see SunfunShits response in the video.
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    Victron firmware update question. How is it done?

    I have a question about Victron Smart SCC with Bluetooth, I do not have one yet. I have watch many videos about what you need to do after installing the SCC, it will ask you to update the firmware first. I have Android phone with Bluetooth but no WiFi, so when I connected to Victron with...
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    Duracell makes battery storage for home.

    I did not know that Duracell makes battery storage for home, I stumble into Youtube video of the UK guy with this battery. https://www.duracellenergybank.com/
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    Lithium Battery Pack EXPLOSION Caught on Camera!!

    Luckily no one got hurt.
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    Shipping ports congestion

    https://www.washingtonexaminer.com/policy/economy/lazy-crane-operators-making-250-000-a-year-exacerbating-port-crisis-truckers-say
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    Gas-Powered Lawn Equipment Will Soon Be Banned In Cali, a broad category that includes generators.

    Gov. Gavin Newsom signed a new law on Saturday that orders state regulators to ban the sale of new gas-powered equipment using small off-road engines, a broad category that includes generators, lawn equipment and pressure washers...
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    EVE 304Ah cells from Shenzhen Qishou Technology tested by OFF-GRID GARAGE

    Shenzhen Qishou Technology (QSO) 304Ah
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    Walmart solar panels catch on fire April 2021

    I thought they found the problem in the past due to faulty connector around 2019 and was suing Tesla, but here in 2021 Walmart still having panels catch on fire...
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    Expertpower S200 on sale for $129.99

    It looks like a good deal for the price at $129.99 with free shipping. Any body has one? Like it? I am thinking about getting it. https://www.expertpower.us/products/s200-lithium-power-station Will's video.
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    BigBattery "OWL MAX 2" 12V 228Ah LiFePO4 using Batteries with scratched off QR code

    I wonder why the QR codes are scratched off, I thought Big Battery would use brand new grade A batteries from REPT (as corrected by the notes in the video). 7:50 Time code.
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    Exliporc 280Ah REPT batteries received 6-24-2021

    I just received my four 280Ah batteries ($85 ea $103 shiping charge) I order from Exliporc on April 27, shipped on May 10th, received on June 24th. I sign up with the UPS to get the tracking to see what is going on, Exliporc told me on the June 21st that the shipment has been sitting at the port...
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    Epever Tracer 8415 AN controller any good

    I have been looking at this EPEVER 8415AN (it is 80A) unit to find some review and to see if there is any issue with this model or not but I did not find much of anything about this model. Anyone here has this model? Any thing good or bad about it? I can get it for $310 that comes with MT50, USB...
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    Reverse Bias due to shading and Bypass Diodes

    Interesting reading from Sunpower. I was looking to learn about shading effect and bypass diode, I did not know about heating issue due to shading, I member one of the member shows the pictures of burnt up cell that melt the panel. Reverse Bias and Bypass Diodes When cells are put into reverse...
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    Basen batteries shipped from USA

    Shipping(Only for U.S. customers, including U.S. Middle East and West): 1). By FEDEX, UPS transportation (5-10working days),for U.S Country,including customs clearance, all the import tax fees, and delivery to the door. Any one try to order this one? Any damaged cells...
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    Victron: How to not blow up your Alternator when charging Lithium

    Victron video: How to not blow up your Alternator when charging Lithium.
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    Mike Holt: NEC

    https://www.youtube.com/channel/UC8oJL9T1z3Gqn6drDphZY6g
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    Boost Jackery Explorer 240 / SolarSaga 100 Charge Rate

    Very interesting result, I will do some experiment on my system.
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    Looking for 300V100A Power monitor board

    I am looking for this form factor board. Any one that has one of this board form factor that you no longer use and want to sell it?
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    Solar power output vs weather

    I have All in one 12V 1000W system. I am in Bay area, north of S.F. Panels: 4 used SUNPOWER SPR230 connected in parallel. Loads: TV, Laptop, lights, air cleaner total about 350W Power usage: 3KWH a day. I have been tracking the amout of power I am getting and start seeing the pattern, I see that...
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    Is this a good deal?

    https://www.coloradostandby.com/1600w-solar-off-grid-victron-energy-package-for-cabins-and-tiny-homes Too bad they do not sell just the Solar panel.
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    Parallel LiFePO4 12V 90Ah pack with 12V 280Ah pack, any issue?

    In the November I built LiFePO4 12V 90Ah (Liitikola) pack with 100A BMS, now I also built 12V 280Ah (LISHEN) pack with 100A BMS (same model as used in the 90Ah pack). So does any one ever try this setup (parallel two different Ah battery packs) and see any problem in long term? My max draw at...
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    PIP-1012LV-MK issue. Any body has one of this model?

    I bought this unit directly from MPP Solar Taiwan (peggy@mppsolar.com) instead of from USA rep because it is about $175 cheaper. I am having AC output unstable (run on batterty mode) issue at low load of <300W, the output jumps up and down and I can see the desk lamp flicker too, but if I add...
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    SHENZEN BASEN 280Ah, I received my first order

    The good news is that I just received the four LISHEN 280Ah today, I ordered them on the Nov 3rd, they arrived on Dec 13th and sit in the customs for 13day, FedEx picked them up on the Dec 26th and delivered to me on the Dec 30th which is not bad at all. The bad news is that the bottom of the...
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    LiFePO4 Battery 101

    Pretty good video about LiFePO4 Battery
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