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Sorry to hear that you didn't get good help from SA. However, I wouldn't worry about the speed of the WLAN. It is not involved in the logging since this the captured data written directly to the storage medium. Unless you are using MQTT to transfer the data to another device, the speed of the...

One great thing about the Solar Assistant is that you really don't need to know anything about the Raspberry Pi apart from putting it in a case and providing it with power. You simply download the software from their server, copy it to an Micro SD card (e.g. using the free BalenaEtcher...

I gave up using the Felicity provided WiFi Plugs and moved to Solar Assistant. I think for locations like developing countries it is a better suited concept because it keeps storing data even when the internet connection is interrupted, and does not depend on a cloud server for storage. My...

The effect you describe probably stems from the lack of a neutral-earth bond when the inverter is in battery mode. When the inverter switches to grid bypass, the earth is considered "good" because it is bonded properly to the neutral: The TN-C-S earthing system commonly used in the UK ensures...

No, you cannot do this with that inverter. I have mentioned the precise reason why this cannot work in my first reply. You can exclusively use the SolarMax inverter to collect power from the panels and feed it into your home AC distribution. To charge batteries, you would need an AC battery...

Unfortunately, you cannot connect a DC battery pack to the SolarMax. This is a pure AC grid tied inverter. It does not produce energy unless it is connected to mains AC power in the specified voltage and frequency range. It cannot produce AC from batteries. Its DC input is designed solely to...

The ends of the cable in the picture you are showing have quick disconnect plugs, not ring-lugs. You can certainly unplug them and plug them back in, but unfortunately you will not be able to fit a ring lug under them. If you have a 48V to 5V power converter for your Solar Assistant, you need to...

I would consider using fireproof materials around the battery cells an excellent method to keep a fire from spreading. Any power storage system has the potential to release its energy in an undesirable, fast and dangerous fashion. No system is 100% fireproof, which is why I think it is...

I have ordered from shunts.com before but they are out of 400A fuses. Walmart seems to have 400A Class T fuses in stock: 400-Amp Class T Slow Blow Fuse - Walmart.com Or "solarpenny": Go Power Class T 400AMP Fuse (solarpenny.com)

It seems that the batteries are not getting fully charged. I suggest that you get a better charger. The "Noco Genius" to me looks too much like a toy. I am using a Mean Well PB-360 to charge my 4S LifePo4 battery. Yes, it may costs a bit more but it charges with 30 amps instead of the measly 5...

I think this will work fine, but you would be giving up flexibility. I would re-wire the shore plug like this: Disconnect the present internal cable leading to the shore plug and wire it to the inverter output instead Connect a new internal cable to the shore plug and wire it to the inverter AC...

Which part is getting hot?

shunts.com has fuse blocks with a fuse included: CFB2 - 250 to 400 Amp Class T Fuse Block - Includes JLLN Type Fuse – Riedon Shunt Resistors (shunts.com) The price including a fuse is not really more than the fuse by itself, so I ordered a couple there. If you don't need the fuse holder, just...

I suggest Ningbo Sylue Machining. I had a number of different metal parts made by them for a friend; they have very good service and communication in English, and the quality was excellent. They make parts for reputable brands in Europe (which I only found out later). I am happy to recommend...

It is not impossible although the advertised price looks a bit low. They look like Sinopoly cells: Sinopoly-500Ah.pdf (mylithiumbattery.com) I have no actual experience, but a plausible explanation for the low price could be that the product description line "for solar system energy storage...

The description line is misleading: The low price refers to only two cells (unknown brand and quality). Once you select 16 pieces, the price goes up proportionally.

I once researched this and found that Seplos offers a BMS purporting to be compatible with Sofar inverters - there are a number of threads discussing this on this forum.

I am doing my best to help you with the theory by presenting my answers in the simplest possible fashion. However, you can also help a little by realizing that not all questions can be answered in a way that fully correspond to the expectations of the person asking. Let me give another shot...

Current is not "pushed", it is "drawn" or "pulled". It is the complete circuit that determines the maximum current that can flow: an empty battery draws a higher current which gradually gets lower as the battery approaches a fully charged state. The voltage is not "in excess", it is merely...

An MPPT solar controller can be imagined as a specialized DC-DC converter that feeds the battery its desired charging voltage. By lowering the output voltage, a higher current can be drawn by the battery, so in a way, voltage is „turned into current“. However, there is no „waste“ in the sense...

As a "professional nitpick" ;), I should like to add that I like the analogy with the pack of crisps (chips) a little bit better because while binging on beer head may eventually get you drunk, no amount of compression will turn the extra air in the bag into crunchy bits of potato solids.

I'm really sorry about this but the Dokio panel is still on a trip - I won't be able to have it in my hands to take pictures before the end of the month,

Yes. I am inferring this from the sections titled "Overcharge protection and recovery" and "Over discharge protection and recovery". The manual is available in the Resources section of this forum. I may have misunderstood the information presented there - I'd be happy if others could read it and...

The Seplos BMS has internal MosFETs.

I am aware of the CAN bus conundrum; this is why I am intrigued by this BMS. I am not interested in contractor control because the inverter/chargers I would like to use don't even have any simple contacts to be controlled - they need CAN bus or RS485.

Hello, I am rather interested in this BMS. It could be either complete trash or the "philosopher's stone" to DIY an inexpensive 48V battery back capable of communicating with low and mid-tier brand solar inverter/chargers. From looking at specifications and videos about the BMS, I extracted...

I got them from Aliexpress: LiFePo4 3.2V 200Ah

I wouldn't count on the photos alone - ask the supplier. When the cells are produced, the terminals have a flat aluminum surface anyway. Depending on (large) customer specifications, either threaded holes are drilled, or a post or other implement is welded to the terminal. My four 202Ah Lishens...

Yes, that looks exactly like the one I ordered from Aliexpress, it even has the same brand name: 12V 600W Heating Element

Here's my recent attempt at implementing a DC water heater on a somewhat smaller scale. I am using a 20L (5 gal) PE tank with a 600W 12V DC heating element. The DC power is fed through a Victron battery protect BP-65 with an electronic thermostat switch, a water level sensor and a simple...

I have a different idea: How about rewiring the Dokio panel? When you look at the construction, you may note that it consists of four separate sub-panels each with 3x6=18 cells of 0.5V each. This means 9 volts nominal per subpanel. In the state it is delivered, the Dokio 300 is obviously wired...

I think a DC-DC converter will be a better solution to power a laptop instead of using an inverter - especially since the „power brick“ is probably a switching type which can be hard on inverters due to its dynamic load characteristics. I’ve used a number of smaller laptops successfully using...

I doubt that this advice stems from the manufacturer himself. I suspect it was put in by the editors of the manual in order to present their point of view. I don't follow this. The relay output of the Chargery BMS need not be necessarily likened to a circuit breaker. It is a general purpose...

Feel free to peruse my posts for your personal merriment even though I don't fully understand why it should induce laughter. Correct. I am perfectly aware of this thread's topic, and I am profiting from it as well as I try to contribute to it according to my abilities. On topic: I have ordered...

This is a matter of opinion, not an absolute truth or a technical necessity. I think it should be up to the person responsible for their specific application and how their system is designed. I am not opposed to debating opinions, but a division should be made between strong personal beliefs and...