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4 2 21700 2P Dislocated / Staggered Offset layout with exact 21700 spacing values
A capable spot welder is required
testing tools
When you find unplugging the power supply
ATORCH 20A Battery Test Stand Lithium Ion Cell 4 2 21700 2P DislocatedATORCH 20A Battery Test Stand Perfect for battery builders and testers, this high current test stand supports up to 30A burst and 20A continuous. Compatible with all common lithium cells (18650, 26650, 14500, 32650, etc.), AA AAA dry cells, and coin cells like CR2032 and LR44. Built for precise capacity, internal resistance, and voltage testing using a 4 wire connection system. Features: Max Instantaneous Current: 30A Nominal Test Current: 20A