0 votes
by (2.9k points)
What is a 3.7 V lithium battery?

1 Answer

0 votes
by (1.7k points)
About 18650 3.7v li-ion battery, it can last about 2-5 hours on high mode. It depends on the actual capacity of the battery. We suggest use the protected 18650 battery to run of the flashlight.

Related questions

0 votes
1 answer
asked May 31, 2021 by battery (2.9k points)
0 votes
1 answer
0 votes
1 answer
asked Dec 7, 2020 by battery (2.9k points)
0 votes
1 answer
0 votes
1 answer
asked Jun 20, 2021 by batteries (3k points)
0 votes
1 answer
0 votes
1 answer
asked Nov 28, 2019 by arduino (3.7k points)
0 votes
1 answer
0 votes
1 answer
...