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This morning, I read the news about "A severe disturbance in the Earth's magnetic field." This caused stunning auroras in the US as far south as the Midwest. https://www.zerohedge.com/weather/earth-hit-strongest-geomagnetic-storm-six-years-dazzling-auroras-spotted-across-us So far, I have...

All, I would like to know whether or not PV panel can withstand golf ball size of hail. And how to save the PV panel if hail can damage it. Thanks!

All, I found a Trace/Xantrex SW4024 Inverter. And would like to know if it is a pure sine wave inverter. The specification does not indicate pure sine wave other than sine wave (SW). Built in 7/1996. It is a low frequency inverter. SW4024 is 4000W (AC output: 120V-60Hz) and 24V DC input...

"Biden's plan to waive new tariffs on panels import" may reduce the overall cost of panels? (source: Market Watch)

All, I'm confused with many responses around MC4 connectors (male and female) not being fit right. Can you all help me to understand? My understanding MC4 should be fit regardless the wire size being crimped. I have Victron mppt 250/60 with MC4 connectors. My plan is to run 8AWG wire from...

All, I have two questions with regard to MC4 inline fuse. My panel is Isc - 10.19A; Imax 9.62A; Voc - 40.8V and Vmax - 33.3V. My panel config: 2s2p Question #1: Can I use Renogy inline fuse 1000VDC - 10A? Question #2: Can I use glass tube fuse (250VDC - 10A) for Renogy inline fuse if is fuse...

Today both CNN and BBC news around "Supply Chain Issues". CNN: "China is urging families to stock up on food as supply challenges multiply". The reason beings: Covid, winter, natural disaster, electricity shortage, resource shortage, and etc.. Climate Change? Geopolitics? with Taiwan and South...

Recently, I was offered to purchase cosuper cpt-3000. Before committing to it, I need to know whether or not anybody has any experience with it. Thanks!

All, I'm trying to optimize my Victron MPPT 100/30. Can I set 1S2P panels? w/o causing balancing issue. Panel spec: 320W, 40.8Voc, Pmax-33.3V, Isc 10.19A, Pmax-9.62A. Fuse rating: 20A. 24V-200Ah Batt. Thank you in advance.

Hi All, how are you doing? I have question around Victron MPPT app accuracy. Fact: Victron MPPT 100/30. 2 LG panels (310W ea) in series. One (3 months old) - 24V LiFePO4 batt 200Ah (with 200BMS). DOD 20% is 26V. Load = 24V Giandell inverter + 115V/5.5A refrig (fan runs - 130W, motor runs -...

All, Recently, one of my family members received phishing email. Luckily, she asked me about its legitimacy of the letter. I would like to share with the forum about this incident. I know many of you utilizing online shops to purchase your solar system components. Tips: 1. CALM down, don't...

All, Perhaps, we need to remind new member about battery safety especially (LiFePo4). We all want to minimize the cost of the battery. However for those who have no basic understanding about electricity and battery chemistry (including handling and storage), they need to be aware of the Risks...

All, For those who have a failed Victron MPPT, please do not discard it. I have few experiences to resurrect the dead Victron MPPT 100/30.