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In today's video, we will talk about a lot of important information about the issue surrounding car batteries. We will talk about the different types, how they differ, how to quickly check the condition of the car battery after purchase, how to prevent sulfation, or how to solve soft or hard sulfation, or how to measure the capacity. We will also demonstrate 3 car battery testers in practice, on two cars with half-off car batteries. Link to buy the tester from the official website: https://bit.ly/KaiweetsKVB01 Discount code for $2 off on Aliexpress: Y2F15H1LF1WN Link to buy from Aliexpress: https://a.aliexpress.com/_Ew46MmR Chapters: 0:00 Introduction 3:16 Sulfation 7:33 Voltage is authoritative 13:57 Types of lead-acid batteries 25:12 Desulfation 36:40 Capacity measurement 41:44 Starting current 49:43 Measurement in practice 1:02:24 Conclusion