Lithium Battery Fixture Single Row Double-sided 18650 Battery Spot Welding Fixer Battery Pack Fast Welding Fixed Bracket G8tb electronics connector It’s a compact and inexpensive

It’s a compact and inexpensive GSM breakout board that supports sim800l module

2 BR/EDR and BLE

long press about 3s the  start the humidity flashing

a BD139 transistor

Lithium Battery Fixture Single Row Double-sided 18650 Battery Spot Welding Fixer Battery Pack Fast Welding Fixed Bracket G8tb electronics connector It’s a compact and inexpensiveThe bottom of the fixture can be directly put into the nickel sheet for welding. The positive and negative electrodes can be welded at one time and welded quickly, effectively improving the welding efficiency. Small size, light weight, easy to carry, convenient to store and transport. Quickly weld the battery, neat and beautiful. Specifications: Material: ABS plastic Style #6 Size: app. 110x20x35mm 4. 33x0. 79x1. 38in Color: Orange Quantity: 1pc Note: