DC5-38V Multifunctional Voltmeters Ampirer Electronic Load Battery Monitor Tester

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ZB2L3 Li-Ion Lithium Lead Acid Accu Capacity Meter Discharge Tester Analyser Dc 4.5-6V

5 Pcs 5.5 Mm X 2.1 Mm Male Dc Power Plug Connector + 5 Pcs Screw Lock Female Panel Socket mount Adapter