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Test each cell and make sure voltages match before assembly
and other high-power applications
Welding Requirements: Requires a strong power welding machine to handle the high conductivity of copper
Perfect for high-performance applications
Electric Tools
21700 Adapter Module for 8-Channel Lithium Battery Tester (4-Slot Base) Daly Test each cell and makeUpgrade your 8 Channel Lithium Battery Tester to support 21700 cells with this dedicated 4 slot adapter module. This expansion base allows your native 18650 tester to properly fit and test 21700 lithium ion cells. The module replaces the standard 18650 holders and provides the correct spacing and mechanical support required for accurate and stable testing of 21700 batteries. ImportantEach module supports 4 cells only. To fully convert an 8 channel