DUOYI DY221 Car Battery Tester, 12V 24V Digital Automotive Alternator Meter Diagnostic Tool,100-2000 CCA Load Capacity, Charging & Cranking Analyzer for Cars, Trucks, Motorcycles, Vans, RVs, Boats...
Key features
- •Professional 12V/24V Battery Diagnostics ➤ DUOYI DY221 Load battery tester Tests cranking/charging systems & CCA value (100-2000) for lead-acid batteries with Kelvin 4-wire tech.– Catch issues before $500 garage bills.
- •Advanced Safety & Accuracy ➤ Polar reversal/over-voltage protection + loose lead detection ensures precise readings per IEC/EN61010-1 standards.– like $2,000 pro tools.
- •User-Friendly Operation ➤ Large backlit LCD + touch-tone keys simplifies testing. Stores last results for Battery/Cranking/Charging tests.– faster than brewing coffee.
- •Comprehensive Vehicle Analysis ➤ Tests cranking voltage (>9.6V good), charging status (13.4-14.6V normal), and ripple voltage (<1200mV).
- •Essential for Auto Shops ➤ Must-have for battery sales/repair shops, mechanics, and DIYers with GB/SAE/JIS/DIN standards support.
- •Test ANY Battery In-Car ➤ AGM/GEL/EFB? 100-2000 CCA? Motorcycles, Passenger Cars, Vans, Off-Road Vehicles, Heavy-Duty Trucks, Buses, Cranes, Tractors, Excavators, Farm Equipment, Yachts & Boats, Street Sweepers, Loaders & More,Test under hood – no wrench needed.
BrandDUOYI
CategoryBattery Testers
DUOYI DY221 Car Battery Tester, 12V 24V Digital Automotive Alternator Meter Diagnostic Tool,100-2000 CCA Load Capacity, Charging & Cranking Analyzer for Cars, Trucks, Motorcycles, Vans, RVs, Boats...
List Price: $98.34$88.51DEALYou Save: $9.83 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
