Parallel connection method: connect the positive pole to the positive pole and the negative pole to the negative pole. The way to connect 18650 batteries in parallel is to connect the positive pole to the positive pole and the negative pole to the negative pole of the batteries to be connected in parallel. 3 18650 positive are connected to positive and negative to negative, and they are connected in parallel to form a group. 9 18650 can be made into 3 groups, then the 3 groups can be connected in series to form a battery of about 12V. The battery has 4 sockets for charging. It is better to use a balancing charger to charge this battery. There are dozens online.
How to connect five series three lithium batteries in parallel
Introduction How to connect five series three lithium batteries in parallel: Connect the positive electrode to the positive electrode and the negative electrode to the negative electrode. The way to connect 18650 batteries in parallel is to connect the positive pole t