Micro water pump air pump with control circuit board 3.7V self-priming pump vacuum pump

Micro water pump air pump vacuum pump with control circuit board

This pump has its own control circuit, as long as it is connected to a 3.7V lithium battery, it can work, and it also has an Android charging port, which automatically stops when fully charged, so the connected lithium battery does not need a protection board.

This pump is a self-priming pump that can be used to pump water from drinking buckets, change water in fish tanks, etc. It can also be used as an air pump to oxygenate fish tanks in the wild for fishing enthusiasts, and it can also be used as a vacuum pump to vacuum food bags. Powerful.

There are working indicator lights, charging indicator lights, start and stop buttons on the board, which are very convenient to use. The motor adopts carbon brush commutator with long service life and low price. Pre-order as soon as possible.

There are 3.7V lithium batteries available in our shop, if you need to work for a long time, you can buy a few more parallel cells. The terminal line connected to the battery is also sold in our store. Choose No. 1. There are also cheap Android charging cables.

It is best for the water pump to make a shell by itself to avoid short circuit damage to the circuit board.

【Rated voltage】DC 3.7V

【Weight】62 grams