Power That
Never Runs Out
Wattz is the world's first detachable power bank with a built-in 3-in-1 cable and one-click battery swap. Charge at 22.5W. Never stop.
Free worldwide shipping · No customs fees
🛒 Buy Now — $21.99 See Full Details →
Everything Wrong With Regular Power Banks — Fixed
Never wait for a charge. Swap a fresh 21700 cell in one click and you're back to 100% instantly.
Lightning, USB-C, and Micro-USB all in one attached cable. Stop carrying a bag full of wires.
0 to 50% in 30 minutes. Supports PD 20W, Huawei 22.5W, QC 3.0 — works with every phone.
Each cell is ~18.5Wh — well under the 100Wh airline limit. TSA approved, zero hassle at security.
Designed for People Who Can't Stop Moving
Whether you're traveling, commuting, or camping — Wattz keeps you charged without a single wall outlet.
One cell charges most phones 1–1.5 times. Carry two cells for a full weekend off-grid.
Standard 21700 cells are sold worldwide. Replace them yourself in seconds, no tools needed.
iPhone, Samsung, Huawei, Xiaomi, OnePlus — the built-in cable covers Lightning, USB-C and Micro-USB.
Customers Love Wattz
Pre-charged three cells and traveled 4 days without a single wall outlet. The built-in cable is genius — I stopped carrying a cable bag entirely.
Went through 3 airports — zero issues at security. Fast charge works perfectly, iPhone 15 from dead to 60% in 40 minutes. Exactly as described.
Build quality feels premium — nothing cheap about it. Ordered a second one as a gift. Arrived in 9 days to Germany, packaged perfectly.
Ready to Never Run Out of Battery?
Join 12,000+ customers who made the switch. Free worldwide shipping on every order.
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