yr1035+

YR1035+ is a professional tester that measures battery internal resistance and voltage simultaneously. It uses true 4-wire measurement technology to reduce the effect of wire and contact resistance on accuracy. Results for both resistance and voltage appear on the display at the same time. The device suits lithium, NiMH, and other rechargeable battery types where internal resistance indicates health. Compact and handheld, it fits into a tool bag for bench testing or field diagnostics. No external power supply details are specified beyond the unit itself.