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Mi Power Bank 2i | Unboxing | Battery Test | Drain Test


Samsung 30T – High Drain 21700 Li-ion Battery (discharge capacity test)

Samsung INR21700-30T 3000mAh discharge test
Text/image version of this review:
Batteries were bought from Queen Battery:
Sales manager:

All my reviews in one place:

• Four 3000mAh 18650 batteries (Sanyo, Panasonic, Samsung, LG) capacity test:
• LG M50 vs Samsung 48G: Top 21700 batteries’ capacity test:
• RD UM24C Bluetooth USB tester and USB load review:

#21700 #samsung #capacity_test


home made 3.7 volt 18650 battery chargers.. are they safe ?…..or Dangerous ????…..

Home made 3.7 volts 18650 battery chargers .. are they safe ? ….. or dangerous ?….
I just discussed this topic in this video … and gave the best solution about how to charge a 3.7-volt battery or 18650 battery
and also discussed about how to use that charger..

safest charger-

insta id-

thanq for love and support