Best Power Banks for 2025 — Summary and Guide
Best power banks for 2025 — summary and buying guide I tested 55+ portable battery packs over three years. These days power banks are better than ever — from Qi2-enabled magnetic slabs for wireless phone refills to heavy bricks that can revive a laptop. If you travel or often forget to top up your phone, a good power bank can be a lifesaver. Quick highlights Tested: 55+ banks across sizes (5,000mAh to 27,000mAh) and types (MagSafe/Qi2, USB-C PD, AC-capable bricks). Real-world efficiency: expect ~60% of listed mAh delivered to devices (e.g., a 10,000mAh bank gives ~5,800mAh). Wireless improved: Qi2 magnetic charging now practical (15W; newer phones support 25W in some models). Flying: TSA allows external batteries ≤100Wh in carry-on only — don’t check power banks. What to look for Capacity:…
