The product is shown as follows. The battery needs to connect wire terminals at the two ends. The soldering joint should be steady, full and smooth. A welding-missed joint or cold solder joint should be avoided.
The lead-acid battery is a component of a precise electric appliance. The high soldering quality needs to be ensured with defective rate lower than 1‰.
It’s difficult for laborers to solder this lead-acid battery. Each product will cost about 10s and the solder joint may drop off. Manual soldering is low efficient.