“What is the total power bank capacity after energy loss so not 30000”
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Hi RodolfoG， Great question! The Energizer Ultimate Lithium 30,000mAh Power Bank has a rated capacity of 30,000mAh, but due to energy loss during voltage conversion (from 3.7V battery to 5V USB output), the actual usable capacity is typically around 18,000–20,000mAh. This means: You can expect to charge a typical smartphone (with ~3,000mAh battery) about 5–6 times. The exact performance may vary depending on your device and usage. If you need help calculating for a specific device, feel free to ask!
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