Why Storing a Battery Fully Charged Can Age It Faster
A battery stored for months is still aging, even if the device is switched off.
Why Storing a Battery Fully Charged Can Age It Faster Read Post »
Do More Charge Cycles Always Mean a Worse Battery? Not Quite
Battery cycle count is useful history, but it is not a complete health score.
Do More Charge Cycles Always Mean a Worse Battery? Not Quite Read Post »
Why a Battery Pack Can Stop Working Before Every Cell Is Empty
A battery pack can reach its cutoff while some cells still contain useful energy.
Why a Battery Pack Can Stop Working Before Every Cell Is Empty Read Post »
Battery Swelling Is Not Just Lost Capacity—Here Is What Changes
A swollen lithium battery is a physical fault, not merely a disappointing runtime figure.
Battery Swelling Is Not Just Lost Capacity—Here Is What Changes Read Post »
Rechargeable AAs Say 1.2V—So Why Do They Work in 1.5V Devices?
Rechargeable AA batteries commonly say 1.2V while alkaline AAs say 1.5V.
Rechargeable AAs Say 1.2V—So Why Do They Work in 1.5V Devices? Read Post »
Why Two New Batteries and One Old Battery Are a Bad Team
A device with several replaceable batteries works as a set.
Why Two New Batteries and One Old Battery Are a Bad Team Read Post »
A Battery Has Voltage but Cannot Run the Device? Look at Internal Resistance
A battery can show a plausible voltage with no load and collapse when the device starts.
A Battery Has Voltage but Cannot Run the Device? Look at Internal Resistance Read Post »
Cold Weather Steals Battery Runtime—Even Before the Battery Is Worn Out
A battery-powered device can run for less time in the cold even when its battery is not permanently worn out.
Cold Weather Steals Battery Runtime—Even Before the Battery Is Worn Out Read Post »
Battery Percentage Jumps After a Restart? The Gauge Is Making an Estimate
Battery percentage is an estimate of remaining usable capacity, not a direct view inside the cells.
Battery Percentage Jumps After a Restart? The Gauge Is Making an Estimate Read Post »
Your 20000mAh Power Bank Does Not Deliver 20000mAh at USB Voltage
A power bank advertised as 20000mAh may deliver a smaller milliamp-hour figure at its USB output without anything being missing.
Your 20000mAh Power Bank Does Not Deliver 20000mAh at USB Voltage Read Post »