1. Maximum instantaneous testable 30A high current 2. Can test 20A high current aging test for a long time 3. Compatible with for ATORCH DL24 series/CL24 series/DL2EW series loads, using a 4-wire wiring system for more accurate testing! Type:Battery Capacity Tester Nominal current:20A Maximum current:30A Interface: I+/I- Current Terminal, V +/V- Voltage Wiring Size: 20.3x 5 x 5.5cm(5.31 x 1.57 x 1.57in) Adapt to battery model testing: [1]. 18650,26650,14500,16340,26850,18350,32650,46950 and all other lithium batteries; [2]. All dry batteries, including A, AA, AAA, etc [3]. All button batteries such as 2032, GPA76, LR44, etc. Colour:Purple Material:pcb+Metal+Plastic Package Contents: 1 * Battery Test Stand(Not included Battery and load tester)