Make sure your digital multimeter is set to DC AMPs which is “A” and “-” for VDC. Connect the black (negative) wire to the “com” (common ground) input and plug the red (positive) wire into the lowest amp input. If …
Knowledge Base Archives
NiCD, NiMH, & Memory Effect
What is the difference between Nickel Cadmium (NiCad) and Nickel Metal Hydride (NIMH) batteries? What is “Memory Effect?”
Both NiCad and NiMH batteries are rechargeable. The main difference between the two is the fact that NIMH batteries offer higher energy …
How to treat corroded battery terminals
Corroded battery terminals can prevent your vehicle from starting. You could have so much corrosion around your battery connections that the resistance is stopping the current from getting through to start your vehicle.
Battery corrosion is caused by hydrogen gas …
How to safely jump start a battery with booster cables
- Always wear proper eye protection.
- Never lean over the battery.
- Do not jump start a damaged battery. Inspect both batteries before connecting booster cables.
- Be sure battery vent caps are tight and level (if applicable).
- Make sure both vehicles
Series & Parallel Battery Connections
You’ve probably heard the terms “series” and “parallel” before. What do these terms mean and how do they influence what charger you need? When discussing batteries that are connected in either series or parallel, it is important to take into …
Can I let my battery sit on a concrete floor?
Will storing my car or motorcycle battery on a concrete floor ruin it?
This rule of thumb at one time used to ring true in the early days of automotive battery technology.
The earliest examples of automotive batteries were lead …
Hearing Aid Batteries: Answers to Common Questions
While there are rare instances that a hearing aid will use a rechargeable battery, the majority of them use one of the standard Button Cell Zinc-Air batteries. These batteries all operated at 1.35 Volts (sometimes rounded up to 1.4 Volts). …
Everstart Battery Cross Reference
In the below chart are our best matches to popular Everstart battery part numbers. Please be sure to review the replacement battery for terminal polarity, dimensions, and cranking power to ensure that the replacement options will work in your specific …
Off-Season Battery Maintenance and Charging
Batteries periodically need exercising and maintenance to prevent sulphation from building up on the battery plates. Batteries that sit unused for a long period of time (longer than four weeks) need a maintainer.

Consider a water …
Small Battery Size Comparisons
See some easy to read charts comparing popular battery sizes including AA, AAA, C, D as well as some less common ones like F, SC, and more.
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