Most reacted threads

I did search and found nothing so decided to ask myself. DALY Smart BMS As you can see the cables that come with it are way too short. I cant seem to make them reach the battery when assembling in my custom box. And their base terminal is an odd one with two screws.(which I cant find here to...

I am confused about the charging. I got a old conventional 12V inverter charger which is intended for Lead-Acid batteries. It's charging voltage is measured at 13.6V and 10Amps I am using it with a 12V 200Ah lfp My question is whether this inverter can fully charge my lfp or not. LFP resting...

I am a small reseller/retailer. All I asked for a quotation about a bunch of battery cells. I sent reply to his mail yesterday. Since he didnt reply the email in this morning I asked another person to see if he's online. Out of everyone I contacted on Alibaba, this person is the most aggressive...

EDIT : All the 16 FETS in the Inverter got blown. And replaced. The setup seems to be running fine with a new BMS at the moment. So this happened today. Inverter is MUST 5.5kW Battery LFP 51.2V 100Ah (DIY) BMS Daly Smart BMS 150A ONCCY DC Breaker 2Pole 125A(non-polarized) The breaker...

It is a 1A Daly Smart Active Balancer.(Seperate balancer.) Battery : 51.2V 280Ah BMS : DALY Smart BMS Everything is reading correctly everywhere. Cell voltages are being read correctly by the bms and the balancer as well. One cell no.7 is quite above other cells and hitting high voltage...

These are 280Ah cells. What is that welded round spot near the middle circle thing? Is that where original qr code existed before? Also the middle circle is not blue. Please is it safe to use these cells?

I have seen people say start balancing at 3.3V. And others saying anything below 3.45V is ineffective. Assume a battery pack 25.6V 200Ah (8x 200Ah cells) They're not balanced. But assembled into a pack and already in use. Daly Smart BMS+ Daly Smart Active Balancer 1A (Load is Around 300~600W...

I first searched both on the forum and google and didnt find any info so decided to make a post. As the title says, is it ok to use that breaker for the 24v(25.6v) LFP 200Ah battery pack? I will be using a 25mm2 wire for it. And BMS is a 150A DALY Smart BMS. Inverter is 3kW. Is the voltage of...

I am considering of use this as insulated sheet between each battery cells in a battery bank. Googling said these boards are kinda heat resistant to a degree. But I would like to know if its a good idea or not. (I cannot get Epoxy Insulated Sheets, the yellow ones sold on Alibaba in this time...

As far as I know , 1. Cell Capacity (should be equal or higher than the Rated Ah) 2. Cell Internal Resistance at the terminals should be lower than 50mOhm 3. Cell Appearance (should be as flat as possible with no physical damage/defects) Is this enough to decide if a cell you ordered from...

Hello fellow DIYers, I have some problems with grounding. 3kW Solar System ================ Solar Panels : 4 Pcs 575W Jinko N-Types Battery : 24V280Ah(JkBMS0.6A ActiveBalance) Inverter : Felicity IVEM 3kW Hybrid I live in Myanmar where most houses are still ungrounded. My utility is SINGLE...

This breaker is going to be put between battery and inverter. (I havent assembled it yet. And nothing is turned on or plugged in) (Battery + and - is into the bottom of breaker. The top of breaker will go into inverter.) I have it installed reversed as you can see in the picture and wondering...

I have the following pics of the DALY Smart Active Balancer (Bluetooth and UART function) But I don't know what type of balancer it is. And whether if it's a good one or not. So any electrical gurus please take a look at these pics. My big question is whether to have it attached to battery...

We have a small warehouse where we store our stock. But nobody lives there and it is usually locked up. We only go there when we need to refill our stock. Our country electricity is very bad. It is out most of the time. I would like to setup a very small solar system mainly to power three 25W...

I would like to know if this is a safe design for a 16s build or not. Some are saying it is bad to stack batteries like this. This is a vertical box. There are 8 cells per column. Will this damage the bottom cells due to the weight of the top cells?

I am a local diy battery reseller and looking to buy many JKBMSes from Alibaba. There are alot of them companies selling JK Bmses and it has been difficult finding the real manufacturer. What is your experience with this? Is buying directly from the manufacturer better or are broker companies a...

I did it several months ago when I accidentally shorted it with a wrench. It's all laser welded. It is a 51.2V 200Ah pack. The style is 8 batteries facing each other. Very difficult to work in that narrow area. But that damage on the busbar is making me worried to just keep using it. Any...

Why isn't there a system where lets say a charger (inverter/charge controller/or anything) delivers the required voltage to a lets say 48V battery pack. The BMS of the pack takes this whole voltage, but it then charges the individual cells with 3.55V(or 3.65V) max with individual charging cables...

As the title says. I am a battery pack reseller in local. Can I top balance the cells, Then bring it down to 3.37Vpc(using EBK 40AL charger/discharger) And store it? For maybe several months? Reason for wanting to do this is so that I can quickly assemble the cells for a particular order...

Hello guys, I am going to build a 48V 280Ah battery bank with EVE LF280K cells. The photo is from the internet. I am wondering if there are a better way of wiring(connecting) the cells than the one in the photo? I saw a post here which shows the bad, better and best methods of cell wiring with...