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I get the first 70 in France and the 70 others a year later in china (Pm me for the seller name please).
Today the china seller have only cells without tabs. They are good one but it is a very big job to connect them. Really prefer cells with tabs, half of full tabs; less job, more easy to remove, same metal...probably longer life
My A123 cells don't have tabs. Avoid cells with tabs soldered.
I have connected the cells using screws and plates.
This job must be very well done. You can have burst up to 200A, but average near 40A in my case. The cells have only 7.2mm thickness, so you don't have much space for electrical insulation.
The 18650 LG are connected using spot welding. This is easy to do. You have just to be more carefull on the plus pole.
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