Ellis Gibson (B.Sc. in Mechanical Engineering)

For most standard passenger cars and SUVs, choose a battery tender with an amperage rating of 1.5 to 4 amps. This ensures effective maintenance and keeps your battery charged. Assess your vehicle’s specific charging needs. For vehicles with higher demands, opt for a battery tender with a higher amperage rating to optimize performance. For standard … Read more

Most car key fobs use CR2032 or CR2025 batteries. However, battery sizes can vary. To find the correct type, check your owner’s manual. If you do not have the manual, look at the current battery in your fob. This will help you choose the right 3-Volt battery for your vehicle. Car key fobs typically use … Read more

The battery size for a Club Car gas golf cart is a group 70, side post, 12v battery. This is the standard option for most models. While some carts can use 6v and 8v batteries, the 12v battery is often preferred for better performance. Always verify your specific model to ensure proper battery compatibility. The … Read more

Car battery bolts usually measure 12mm (1/2 inch) in length. The bolt size for terminal connections should match the specifications needed for a secure fit. Use a length of 12mm or less to avoid battery damage. Properly fitted bolts ensure safety and reliable operation of your vehicle’s battery. For cars with unique battery designs, you … Read more

Car battery nuts typically come in 10 mm or M6 sizes. Common thread types are 5/16”-18 and 3/8”-16, especially for positive connections. Battery sizes can vary by brand and type. For replacements, check local hardware stores. They can provide examples of sizes and help find the right nuts for your battery. Using the appropriate size … Read more

A typical battery cable size for a car is 6-gauge. This size works well for vehicles using a 12-volt power supply. While these cables can handle up to 60 volts, they are mainly intended for 12-volt systems. Selecting the right gauge is vital for safety and optimal vehicle performance. Typically, the size of battery cables … Read more

When the engine is running, car battery voltage at idle should be between 13.8 and 14.5 volts. This range shows the alternator is charging the battery correctly. Use a multimeter to measure the voltage. If it’s below 13.8 volts or above 14.5 volts, have the alternator and electrical system checked. To test the car battery … Read more

The internal resistance of a car battery should ideally be 0.02 ohms for good performance. New batteries generally have lower resistance, allowing better current flow. This value can differ by battery type. For example, AGM batteries can have resistance as low as 0.003 ohms. High internal resistance can lead to energy loss and affect Cold … Read more

A fully charged car battery shows 12.6 volts when the engine is off, called “resting voltage.” When the engine is running, the battery voltage usually rises to between 13.5 volts and 14.5 volts. This increase occurs because the alternator boosts the voltage, ensuring the car’s systems function properly. To test the battery voltage when the … Read more

A fully charged car battery should read between 12.6 and 12.7 volts DC (VDC) after sitting overnight. This voltage level indicates good health. If the voltage is lower, it may mean the battery is draining or there are problems with the electrical system. Regular checks ensure proper battery function and longevity. Factors affecting battery voltage … Read more