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DT20W Smart Lithium Battery Capacity Tester 0-420V 30A-600A ($33.99)

This price is so low, even my cat is suspicious: $33.99 (coupon included at Banggood). DT20W Smart Lithium Battery Capacity Tester 0-420V 30A-600A WiFi Tuya App Remote Control Digital Display – 30A.
Updated: 25-08-2025

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Banggood

Warehouse in China.
Link: DT20W Smart Lithium Battery Capacity Tester 0-420V 30A-600A
Price: $33.99

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Aliexpress

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

Image Product (link) Price Coupons
DT20W 0-420V Tuya WiFi Smart Lithium Battery Capacity Detection Tester DC digital Display Current Voltage Coulomb Power Meter DT20W 0-420V Tuya WiFi Smart Lithium Battery Capacity Detection Tester DC digital Display Current Voltage Coulomb Power Meter $21.73 –
DT20 DC Meter Lithium Battery Power Capacity Tester 420V 30A-600A DC Voltage WiFi Online Version Bidirectional Ammeter DT20 DC Meter Lithium Battery Power Capacity Tester 420V 30A-600A DC Voltage WiFi Online Version Bidirectional Ammeter $34.64 –

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