TOOLTOP IR502 120V 500ohm Battery Internal Resistance Tester ($46.69)

Hot price: only $46.69 at Banggood. Updated: 07-01-2026.

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: $46.69

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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	$33.74
	TOOLTOP IR502 ±120V 500Ω Battery Internal Resistance Tester 4-Wire Kelvin Test Lead-acid Lithium Nickel-cadmium Batteries Tool	$36.47
	TOOLTOP IR502 ±120V 500Ω Battery Internal Resistance Tester 4-Wire Kelvin Test Lead-acid Lithium Nickel-cadmium Batteries Tool	$38.80
	IR500/IR502 Battery Internal Resistance Tester High Precision 120V 0.000mω-500ω Battery Internal Resistance Meter 4-Wire Test	$39.80

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