Technology9/29/2025PCWorld

Energizer releases laptop with a battery so large, it can’t go on planes

Energizer releases laptop with a battery so large, it can’t go on planes

Energizer, in collaboration with Avenir Telecom, has released a new flagship laptop called the EnergyBook Pro Ultra, featuring an exceptionally large battery capacity of 192 watt-hours (13,000mAh). This is the largest battery ever used in a laptop, boasting a standby mode of up to 7 days and a battery life of 28 hours for browsing and 11 hours for more demanding tasks like gaming. However, due to FAA regulations, the laptop's massive battery will not be allowed on planes, as lithium-ion batteries larger than 160 watt-hours require special approval. Additionally, Energizer has unveiled two other models, the EnergyBook Pro 15 and the EnergyBook Pro XL 18, with the EnergyBook Pro Ultra starting at a price of €449 ($523).

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