What does "Wh" mean in the battery capacity?
New Genuine Lenovo ThinkPad L21C3PG1 L21L3PG1 L21M3PG1 Battery 42WH
Batteries
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Open Apr 16, 2026 - 08:52 AM
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Apr 16, 2026 - 08:52 AM
"Wh" stands for Watt-hours, which measures the total amount of energy a battery can store and supply to your laptop. A higher Watt-hour rating is valuable because it means your device can operate for a longer period between charges, which is especially beneficial for users who are often on the move or away from power outlets.
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