How To Make UPS Battery | Homemade Li-ion Battery Pack Using 18650

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#ups #18650 #batterypack

[@techfanatics7999]

I used Lithium batterys for ups, so I want to modified low voltage sensing 10v to 9v in ups circuit. Is there any way to do it?

[@skidkev6421]

Good that you experimented but i think this is dangerous. Since charging lead acid is different from lithium chargers.

[@Danicho140]

Es verdad...esa placa soporta 13.8v máximo y la UPS entrega 15v máximo... Tiene que cargar esas baterías con un transformador externo 😊

[@deepaknanda1113]

These ups supply 13.4 volt max, have tested on different ups.

[@boxxbiker]

This is classic Indian style. Never solder directly to the contacts of 18650 batteries! It is very dangerous and may explode and endanger your property, health and life. Spot welding is used to connect the cells, it is absolutely safe, fast and functional.

[@mdemon.1515]

Battery full charge nahi hota hai

[@pochaash2]

whats the benefit? same exact backup as the normal 12v ups battery

[@sridharveturi]

UPS se lithium battarys charging nai hotha...

[@Gamer1_80]

​@@sridharveturihota hai bhai bms laga hua h battery pack me

[@sridharveturi]

@@Gamer1_80UPS 14.20v me charging Hotha… BMS 12.6v se charging hotha other than BMS fast karab hotha…

[@SyeD.4SR]

How long does the backup last?

[@callmart-6347]

The wires between battery and BMS terminals is very thin, and 18650 must be capacity test first.

[@Middle-Eastt]

When you are ready to build,use ticker wire's and run capacity test, for now you are expected to say thanks for the video.

[@sleepydog6595]

Max voltage for 3s lion is 12.6v. What's the maximum voltage of the original battery when fully charged?

[@jylimports]

14 volt

[@sleepydog6595]

@@jylimports how do you then limit the maximum voltage during charging? 14v is going to destroy the lion pack..

[@PatalJunior]

​@@sleepydog6595 For charging it would have to do some stepping down the voltage, or might work depending on configuration (14v/4 = 3.5v , max charge is usually 3.7v on those) BMS will probably stop charging if detects over voltage, still sketcy

[@wojtekkowal2652]

Risk of fire if you follow this guide...:)

[@furry541]

How ??? Im interested to building this