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A. Batteries work better at this time, caps are rare and expensive devices that are very good at doing things not needed for storage systems typically.
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All right, quick video today, we've have been getting a lot of questions from people that have some of the smaller uh solar generators right and they're, saying hey how come you're, making all these projects where you can add battery to the bigger ones, sort of like the Blue eddy and the ecoflows, but the bigger ones right, the max's and the pros and the ac200s. What about us? They have the little ones. Well, uh. It is easy to do it.

So i'm going to show you here how to add about 50 of more battery uh to your bluetooth or what blu-ray eb 1500 right uh for about a hundred, probably 150 bucks with the cables and stuff right uh you will. There is a diy project, so you will have to make one of these cables, at least for now in the future. Maybe we'll make these cables we'll ask our supplier in china to to make them, but that's going to take a few weeks, but for right now i'll just give you the links where you can buy all this stuff and then you can solder these four into this. One right here and then you could make it right so here it is.

This cable goes here right and that converts it into this. This is called a power pole, uh anderson power, pole connector, and then you go from power pole connector to these xd 30. Connectors right and these xt30 connectors come in these batteries. These are scooter batteries, they're 25 right uh, and they are nine baht uh scooter and those are the ones that were on the little stocks when, on the scooters right where the handles are at these are internal batteries.

You have 20 cells, they are 187 watt hours when you read here uh, so four of these will yield about 750 watt hours right so uh yeah. So just you know about half of this right. So if you add four, you add fifty percent. If you add eight of them, then you add a hundred percent more battery to your eb 150.

So you would make your eb 150 into three kilowatt hours right competing with these guys, uh, the bigger ones right, and you could do that for about two hundred dollars. So that's the reason why this is a really diy is the way to go, because you can add batteries super cheap right. This is uh for a hundred dollars 150 dollars. You could do that and let me show you how to do that.

You basically just connect them connect this here. Well, what i'm going to do is connect the batteries first, okay, so here's what's going to happen. If you get some that are blinking red, which means is that they're not uh at the same state of charge. So this one is fully charged and these ones are less than fully charged.

So this one right now is charging all of these three. So that's why you got a green, a blue light, and then these ones are red and red usually indicates that it's this being charged right. So here we go now, but you can connect it here and all of a sudden uh this one's gon na charge. The three and then push power here or if that doesn't happen, then all four of them are going to push power into this it'll sort itself out.

You don't have to worry too much about the state of charge of these batteries and then eventually anyways. They will sort themselves out, they will even out and it'll just work. You don't have to spend too much time. Thinking about that.

You know when you charge these make sure you charge them and then uh fully charged. Then it's gon na work, better right of course. So here we go so you connect this here now the eb 150. There we go so 315 watts.

I don't know. I think that's the max that this thing will take at 10 amps, let's see how much these batteries are pushing yeah. So here we go see it's 9.4 amps out of 10 amps that this input can take so 300 350 watts. That's the max that this unit can take so you we are maxing it out uh with these batteries and so it'll just charge right now.

You can turn the ac on and if you connect these you're both can be charging and then discharging so you can charge this unit as you're using it uh. You can even turn the dc on, so you can turn the whole unit on and do that right. So that's how these batteries can help you boost the capacity of this guy right, so you can just keep discharging it more than one uh and a half kilowatt hours in this case it'll be somewhere around two 2.2 kilowatt hour or something like that right. But if you add more of these, then you can keep doing it even more.

You just have to you can't do it at a faster rate than three point or 300 watts, because this is the limitation that it's got on this guy right here. So that is one way now: how do you charge these? Well, you use one of these chargers and these come in all kinds of different uh connectors, including the xc30 that are what these little batteries have. So if you do that, you'll have to charge each one uh separately, but if you get one that has this connector, then you can charge them all. At the same time, right it'll just take four times longer than if you're doing a single one.

So there you go. This is a quick video uh. I will put the links to all of this stuff on the video description uh and that's one quick way that you can add battery capacity to your blu-ray, eb, 150 or the 240, because i think it's the exact same thing. It's just there that battery is a little bit bigger than that.

So there you go thanks for watching this. Video we'll see you guys on the next one.

11 thoughts on “Add Inexpensive Battery to your Bluetti EB150”
  1. Avataaar/Circle Created with python_avatars Arnold Sinanan says:

    Now getting into solar, so can you use an external lifepo4 battery with solar generator like this or the eb55 to charge it and then use it to add capacity when need?

  2. Avataaar/Circle Created with python_avatars Nicholas Austin says:

    Should you start with a name brand “solar generator?” Or do you make these “add on” videos because many people use the “solar generator” as their entry point into the market? Would you buy a pre built “solar generator” if you didn’t already have one?

  3. Avataaar/Circle Created with python_avatars Andreas Wanner says:

    Hello Jehu,

    it's a pity that you don't deliver to Germany. Batteries are much more expensive here than in the USA.

    Our laws even prohibit the operation of a PV system without grid feeding.🤦‍♂️

  4. Avataaar/Circle Created with python_avatars Bwanar1 says:

    That is a great idea…thanks! The max charge rate for them is actually 60V@10A. I have had mine charging over 500W from solar and a specially rigged charger. Although charging slower will extend the life of the batteries. You can also wire a pigtail of whatever your charger output is to an 8mm female (same as input on Bluetti) and charge all the batteries with the rig you already made.

  5. Avataaar/Circle Created with python_avatars Rob Lowen says:

    Thank you so much. Been watching for the last few years and I'm always blown away how well you explain everything. Really appreciate it. Always gets my brain 🧠 juices flowing and even a wrinkle or two.

  6. Avataaar/Circle Created with python_avatars Arthur Harding says:

    I don't like all the cables hanging out and are they safe? I also don't like the hassle of charging each one of them. I know it's a cheaper solution, but if I am going to need a lot more power. I'd rather get the Delta Max than the EB150.

  7. Avataaar/Circle Created with python_avatars Frosty Frances says:

    Jehu – Would this same technique work to enhance a Bluetti AC200P? I asked the company but they deny any batteries can be added at all – meaning, I imagine, that they don't sell ready-to-use batteries themselves.

  8. Avataaar/Circle Created with python_avatars The Tired Horizon says:

    Wouldnt you be able to use solar panels and a decent charge controller to charge the expansion batteries and trickle down into the bluetti? Have it all rigged up permanently?

  9. Avataaar/Circle Created with python_avatars Robert Hernandez says:

    Jehu – Could we leverage the custom PCB you made for the (IIRC) smaller 18680 batteries with these ninebot batteries? Or is that unnecessary? Just thinking of a way to simplify the connection to the ninebot batteries for recharging purposes.

    FWIW, that's the most amount of power I've ever seen supplied to that model AIO. Those ninebots are charging the EB150 at nearly 3 times what the power brick can do.

  10. Avataaar/Circle Created with python_avatars Randomstuff11234 says:

    I got my 40cell scooter battery yesterday, but it seems to output half the voltage it should. Was charging at 34v, 0.2a, unplug charger, falls to 16v. It will charge at 5a, and the voltage is about 1v higher than when at 0.2a. When it was 42v 0.2a, unplugged it was 20.6v. I connected a 5v arduino nano (through a 3.3k, 1.7k voltage divider) with the code on the website to ground and middle hole (blue), but it didn't change. Should I take it apart and bypass the bms?

  11. Avataaar/Circle Created with python_avatars Jose Arrasola says:

    That’s nice to know ! Thank you 🙏 sir for all the hard work you do for us to help make our life easier ! And help us get off grid ourselves! But remember brother sometimes good help is on your shoulder and it’s hard for to turn and except the help ?

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