Pay in 4 interest-free payments of $12.50 Learn more
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Perfect for both DIY and professional applications
Temperature protection
Communication function
and DIY battery packs
Test each cell and make sure voltages match before assembly
FNIRSI HRM-10 Premium Battery Tester Kit with Clamp 21700 Module Perfect for both DIY andUpgrade your testing setup with the FNIRSI HRM 10 Premium Kit a professional grade internal resistance and voltage tester built for serious DIYers, repair techs, and battery resellers. This premium version includes everything you need to test Li ion, LiFePO4, and lead acid batteries with precision, including a custom clamp holder for 18650, 21700, and 26650 cells, alligator clip leads, and a rugged carrying case. Key Features: Milliohm Level Accuracy:
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