Battery Amp-Hour Goals: Runtime and Capacity Selection
What is the ah of a battery?: Ah, ampere-hours, is the number that tells you how much charge a battery actually holds before you need to recharge.
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Vehicle Auxiliary Batteries: Electronics Support and Replacement Signs
What is the auxiliary battery?: If your car’s electronics suddenly cut out or your start-stop system struggles to restart, the culprit might not be…
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Alkaline and Lithium Cells: Chemistry, Device Use and Product Choices
What is the difference between alkaline and lithium batteries?: Choosing between alkaline and lithium batteries can feel like a gamble, until you…
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Lithium vs. Alkaline Discharge: Voltage Curves and Chemistry
What is the difference between lithium and alkaline batteries?: The choice between lithium and alkaline batteries mostly comes down to what you’re…
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AGM Battery Drawbacks: Charging Sensitivity, Heat and Cost
What is the main disadvantage of an agm battery?: If you’re eyeing an AGM battery for your car or solar rig, the sealed design is tempting.
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Battery Acid pH: Charge State, Testing and Chemical Context
What is the ph of battery acid?: Battery acid is really just diluted sulfuric acid, around 50% concentration, and it sits near a pH of 0.
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Measuring Battery Reserve: RC, Cranking Amps and Test Equipment
What is the reserve capacity of a battery?: A sudden engine stall in a grocery store parking lot often traces back to a misunderstanding of battery…
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Car Battery Reserve Capacity: Application Tiers and RC-Rated Options
What is the reserve capacity of a car battery?: It’s easy to mix up cold cranking amps with reserve capacity when your battery starts acting up.
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Lawn Mower Battery Voltage: System Ratings and Resting Readings
What is the voltage of a lawn mower battery?: You fire up the mower, turn the key, and nothing happens.
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AA Battery Voltage by Chemistry: Alkaline and Rechargeable Cells
What is the voltage of aa battery?: A dead remote or a flickering flashlight usually sparks this question.
