TOOLTOP IR502 120V 500ohm Battery Internal Resistance Tester ($39.99)

Even your grandma would approve this price: $39.99 (Banggood). Updated: 28-01-2026.

TOOLTOP IR502/IR500 ±120V 500Ω Battery Internal Resistance Tester 4-Wire Kelvin Test Lead-acid Lithium Nickel-cadmium Batteries Tool – IR502
Banggood warehouse: China.

Price: $39.99

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Aliexpress

There’re some similar (or not) items on Aliexpress

Image	Product (link)	Price
	TOOLTOP IR502 ±120V 500Ω Battery Internal Resistance Tester 4-Wire Kelvin Test Lead-acid Lithium Nickel-cadmium Batteries Tool	$34.71
	TOOLTOP IR502 ±120V 500Ω Battery Internal Resistance Tester 4-Wire Kelvin Test Lead-acid Lithium Nickel-cadmium Batteries Tool	$35.93
	TOOLTOP IR502 ±120V 500Ω Battery Internal Resistance Tester 4-Wire Kelvin Test Lead-acid Lithium Nickel-cadmium Batteries Tool	$39.05
	IR500/IR502 Battery Internal Resistance Tester High Precision 120V 0.000mω-500ω Battery Internal Resistance Meter 4-Wire Test	$40.04

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