Hi! Thanks for the video. I want to reuse the charging circuit together with the battery. But I also want to wire them in parallel to get more capacity. However, the charging circuit only charge both of them half way through it seems. If I add a resistor like your configuration above, would it help?
Hi friend, I don't quite understand. 1) Which charging circuit are you talking about? 2) in what sense do you think it charges the batteries halfway? what kind of measurements have you made?
@@dariocose I got some vapes with rechargeable capability. Inside them,I found the charging circuit which receives power from USBC and charges the little li-ion cell. If the battery is left alone, the mini LCD screen shows
@@onghungphung7668 You need to understand what the charge IC is. However, I suggest (as I say in the video) that you balance the 2 cells before connecting them to the charger, or use 2 identical batteries with the same voltage.
Cool, ive been collecting these as well, but couldnt find a lot of information on them, i did find 1 seller on aliexpress that sold this type of battery although a bigger size(1800mah), and claimed like 35amps discharge. Which i kind of believe since they're meant for vape pens which basically short the battery for heat, so they can handle the big discharge. Charging however im not so sure. I charged 500mah sized ones with 1 amp and it got really hot, i suspect was a bad cell since others didnt get this hot. But i suspect the charge rate was too high. Thankfully some of the vape pens have chargers that have the proper current limit for these smaller capacity batteries so you can charge them safely. I made a 36v 4.8ah pack for me escooter with 40 of these. I havent stress tested it yet however since the BMS I threw in ( a series of 10x 1S bms's) was too low amp and my system demanded just a little more and would shut the battery down. At leaste the 10x 1S bms's worked in series like i hoped, but they were capped at 3amps and the demand was 3-5amps. Anyway I did get some 5 amp 1S bms's that should cover it and let me see how these cells handle an escooter. It took me 2-3 years to collect like 60, then one day i found a stash of about 60 thrown out by 1 person. I have an idea to self balance them using isolated dc-dc- convters. Take your battery say 21v, buck it down to 5v, feed it to 10 dc-dc isolation convertesr that feed 5v to each battery withouth shorting each other. The 5v goes into a regular lithium charge module then to your individual cells. Now 21v is charging each cell with its own juice until they're topped up. Not sure if the dynamics would work, but it should in theory right? The isolation converters im talking about are B0505S they let you do tricks like this , the ones i got are limited to 500ma probably just enough for self balancing.
Nice One! This was very interesting.
Take care and stay safe,
Joe
Nothing has splashed yet!
Good work
Yes more info please how to charge 3S vape Battery with solar
Hi. There are different modules that can charge a battery pack with a solar panel!
As soon as I have a solar panel I will do some tests!
@@dariocose Thanks
Hi! Thanks for the video. I want to reuse the charging circuit together with the battery. But I also want to wire them in parallel to get more capacity. However, the charging circuit only charge both of them half way through it seems. If I add a resistor like your configuration above, would it help?
Hi friend, I don't quite understand.
1) Which charging circuit are you talking about?
2) in what sense do you think it charges the batteries halfway? what kind of measurements have you made?
@@dariocose I got some vapes with rechargeable capability. Inside them,I found the charging circuit which receives power from USBC and charges the little li-ion cell. If the battery is left alone, the mini LCD screen shows
@@onghungphung7668 You need to understand what the charge IC is.
However, I suggest (as I say in the video) that you balance the 2 cells before connecting them to the charger, or use 2 identical batteries with the same voltage.
@@dariocose thanks. I will try that.
Cool, ive been collecting these as well, but couldnt find a lot of information on them, i did find 1 seller on aliexpress that sold this type of battery although a bigger size(1800mah), and claimed like 35amps discharge. Which i kind of believe since they're meant for vape pens which basically short the battery for heat, so they can handle the big discharge.
Charging however im not so sure. I charged 500mah sized ones with 1 amp and it got really hot, i suspect was a bad cell since others didnt get this hot. But i suspect the charge rate was too high. Thankfully some of the vape pens have chargers that have the proper current limit for these smaller capacity batteries so you can charge them safely.
I made a 36v 4.8ah pack for me escooter with 40 of these. I havent stress tested it yet however since the BMS I threw in ( a series of 10x 1S bms's) was too low amp and my system demanded just a little more and would shut the battery down. At leaste the 10x 1S bms's worked in series like i hoped, but they were capped at 3amps and the demand was 3-5amps. Anyway I did get some 5 amp 1S bms's that should cover it and let me see how these cells handle an escooter. It took me 2-3 years to collect like 60, then one day i found a stash of about 60 thrown out by 1 person. I have an idea to self balance them using isolated dc-dc- convters. Take your battery say 21v, buck it down to 5v, feed it to 10 dc-dc isolation convertesr that feed 5v to each battery withouth shorting each other. The 5v goes into a regular lithium charge module then to your individual cells. Now 21v is charging each cell with its own juice until they're topped up. Not sure if the dynamics would work, but it should in theory right? The isolation converters im talking about are B0505S they let you do tricks like this , the ones i got are limited to 500ma probably just enough for self balancing.
Wow! A long question and a very long answer!
It would be easier on Skype 😁
While the subject matter is interesting I hate computer generated narration.
Trust me, my English pronunciation is much worse than the robot voice!
@dariocose I still prefer a real voice. I use the caption function when I need help understanding what's being said.
La verdad una estupides, hay circuitos integrados específicos para esa funcion. No se que queres inventar...