All tools · page 148
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Recommends GaN charger wattage tiers for a laptop plus phone and accessory load.
Splits a multi-port charger total wattage across connected laptops, tablets, and phones.
Checks cell count and voltage compatibility for a replacement laptop battery pack.
Cross references battery part numbers to find compatible replacements for a model.
Calculates time left from current battery percentage and a measured drain rate.
Converts expected charge cycle counts into projected battery wear percentage.
Lists safe charging and discharging temperature ranges for lithium laptop batteries.
Estimates battery life saved by disabling radios during offline work sessions.
Checks whether a specific USB-C port and PD standard can charge a given laptop.
Calculates whether a solar panel and battery setup can realistically recharge a laptop.
Sizes a DC to AC inverter from laptop and accessory power loads.
Scores daily charging habits for their long-term battery longevity impact.
Plans battery and power bank needs for a full work day away from outlets.
Checks a power bank watt-hour rating against airline carry-on limits.
Estimates replacement cost class from battery capacity and model family.
Checklist of power settings and habits that extend unplugged runtime.
Explains what balanced, performance, and saver power profiles actually change.
Explains design capacity, full charge capacity, cycle count, and wear level terms.
Decodes charger label voltage, current, and PD markings into usable wattage.
Guides generating built-in battery health reports on Windows, macOS, and Linux.
Reference of what low power modes throttle and the battery savings they return.
Calculates yearly electricity cost from average laptop draw and your tariff.
Checklist for running fair at-home battery life tests with repeatable workloads.
Calculates pixels per inch from screen resolution and diagonal size.