Is the charging board of 3.7v lithium battery reliable?

Reliable.

3.7v lithium battery is a kind of lithium battery with a nominal voltage of 3.7v and a fully charged voltage of 4.2v Its capacity ranges from several hundred to several thousand mAh. Generally used in various instruments, test instruments, medical instruments, POS machines, notebook computers and other products.

Classification:

1. According to the shape:

Cylindrical 3.7v lithium batteries, such as 32650, 26650, 18650, 14650, etc.

Square 3.7v lithium batteries, such as 103450, 523450, 653450, etc.

2. According to the capacity:

1800mAh, 2200mAh, 2600mAh, 4400mAh, 6600mAh, etc. , where 4400mAh and 6600mAh are the total capacity.