Blog
Explore the Power of Lithium Innovation
Stay updated with the latest trends, technologies, and application insights in the world of lithium battery solutions
Search the whole station
Explore the Power of Lithium Innovation
Stay updated with the latest trends, technologies, and application insights in the world of lithium battery solutions
Before you start, set your multimeter to DC voltage mode. Adjust the range so that it covers around 12 volts (many digital multimeters have an auto-range function, but if yours doesn’t, choose the closest range above 12V).
Check the multimeter display:
When finished:
⚠️ Safety Note: Always double-check polarity before connecting the probes to avoid sparks, shorts, or accidental damage.
A multimeter, sometimes called a VOM (Volt-Ohm Meter), is a handy tool for testing electrical values. Here are the main types:
When choosing a multimeter, think about your needs: for everyday battery and household circuit testing, a simple digital auto-ranging multimeter is usually the best choice.
Testing current (amps) is a bit trickier than voltage because it requires the circuit to be active. Some key points:
⚠️ Important: Many standard multimeters have a limit on current testing (often up to 10A). Testing a car battery’s cranking amps directly with a multimeter is not recommended, since the current can be several hundred amps. For that, use a dedicated battery load tester instead.
Besides testing battery voltage and amps, multimeters can also help with:
Using a multimeter to test a 12V battery is straightforward once you know the steps. Always start with a voltage test, since that gives you a quick snapshot of battery health. For current testing, remember that standard multimeters have limits, so use the right tool if you need to measure high cranking amps. Choosing the right type of multimeter—digital, analog, or auto-ranging—makes the job easier and ensures accurate results.
High-performance 36V 10Ah water bottle lithium battery for electric bikes. Lightweight 3.5kg, fast charging in 1.5–2 hours, safe & durable with up to 500 cycles. Ideal for commuting and long rides.
high-performance 18650 Battery 4000mAh, offering stable 24V power and deep cycle support. Perfect for electric scooters, power tools, and energy storage systems. Built-in safety protections ensure long-lasting, reliable performance.
Wholesale ICR 18650 2200mAh 3.7V lithium batteries with optional customized packs. Supports external wiring and various wire leads to meet your project-specific needs.
18650 3.7V 1500mAh lithium-ion rechargeable batteries from China, ideal for flashlights, power banks, electric tools, and more. High capacity, long cycle life, full safety features, and customizable OEM/ODM services. Fast global shipping available.
Learn how to build 18650 battery packs with step-by-step assembly, BMS integration, safety precautions, and procurement advice. Ideal for power tools, energy storage, and DIY projects.
View detailsLearn about deep-cycle batteries, their unique features, applications, and whether they can be used as car batteries. Explore their advantages, limitations, and role in renewable energy and industrial systems.
View detailsApsen Technology provides high-performance custom lithium batteries for drones, including Li-ion, LiPo, and LiFePO₄ options. This guide explores battery types, customization methods, and future trends, helping your drones fly farther, operate more...
View detailswhy 18650 lithium cell battery packs are vital for energy storage and electric vehicles, and how China has become a global leader in their production.
View details
HelloPlease log in