{"product_id":"tecmate-optimate-test-ts-121-cranking-alternator-12v-tester-for-battery-state-of-charge-cranking-performance-and-vehicle-charging-system","title":"Tecmate Optimate Test – TS-121, Cranking \u0026 Alternator, 12V Tester for Battery State of Charge, cranking Performance and Vehicle Charging System","description":"\u003cp\u003eThe pocket tester for battery performance on-vehicle and alternator voltage testing that every service technician or gear head should have!\u003c\/p\u003e\u003cp\u003eTo use, connect clips to the battery or connect to an installed SAE battery lead, then: 1.\u003c\/p\u003e\u003cp\u003eCheck battery charge level.\u003c\/p\u003e\u003cp\u003eA low battery poorly cranks (starts engine).\u003c\/p\u003e\u003cp\u003e2.\u003c\/p\u003e\u003cp\u003eStart engine.\u003c\/p\u003e\u003cp\u003eOptiMate TEST records and indicates (for 20 sec) the lowest start volts.\u003c\/p\u003e\u003cp\u003e3.\u003c\/p\u003e\u003cp\u003eWith engine running, verify charging voltage from alternator and voltage regulator.\u003c\/p\u003e\u003cp\u003eTIP: Poor battery performance is caused by low charge voltage.\u003c\/p\u003e\u003cp\u003eExcessive gassing and eventual damage to a lead-acid battery is caused by too high charge voltage.\u003c\/p\u003e\u003cp\u003eA LiFePO4 starter battery is FATAL with too high charge voltage!\u003c\/p\u003e\u003cp\u003eA tester designed by TecMate.\u003c\/p\u003e\u003cp\u003eLimited replacement of 3 years.\u003c\/p\u003e","brand":"Tecmate \/ Optimate","offers":[{"title":"Default Title","offer_id":51751101366554,"sku":"TCMTS-121","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/71vYmAD-ZVL.jpg?v=1772079668","url":"https:\/\/trybeepbeep.com\/products\/tecmate-optimate-test-ts-121-cranking-alternator-12v-tester-for-battery-state-of-charge-cranking-performance-and-vehicle-charging-system","provider":"TryBeepbeep","version":"1.0","type":"link"}