



Will this really charge my iPhone 17 twice? Many 10000mAh power banks only give me one charge.
Yes. iPhone 17 (~3,322mAh) gets ~2 full charges. Our high-efficiency circuit delivers ~6,800mAh usable output — not just a theoretical number. Galaxy S25 ~1.8x, iPad Air ~1.5x. And the built-in AC plug means any outlet recharges it directly.
Will the built-in cables break after a few weeks? My last charger cable died in a month.
Our cables are built differently. Reinforced stainless steel connector tips, thicker wiring rated for 10,000+ bend cycles, and a dual-spring retraction mechanism. Covered by our 3-year support — free replacement,
Can this charge my Apple Watch and AirPods? My old power bank shuts off with small devices.
Yes. A built-in smart chip auto-detects low-draw devices like Apple Watch, AirPods, Galaxy Buds, and Fitbit. It switches to trickle charge mode automatically — no button needed. Just plug in and it handles the rest safely.
Does this get hot while charging? Some power banks get so warm I am afraid to leave them plugged in.
An NTC thermistor monitors temperature in real time and auto-reduces current if it gets warm. Every port has overcharge, overcurrent, short-circuit, and overvoltage protection. Safe for overnight charging.
What if it stops working after a few months? Will someone actually help me?
Every charger comes with a hassle-free 3-year support. Contact our charmast team via — a real person responds within 24 hours. We ship a brand-new replacement free. No return needed, no shipping fees, no hoops to jump through.





Will this really charge my iPhone 17 twice? Many 10000mAh power banks only give me one charge.
Yes. iPhone 17 (~3,322mAh) gets ~2 full charges. Our high-efficiency circuit delivers ~6,800mAh usable output — not just a theoretical number. Galaxy S25 ~1.8x, iPad Air ~1.5x. And the built-in AC plug means any outlet recharges it directly.
Will the built-in cables break after a few weeks? My last charger cable died in a month.
Our cables are built differently. Reinforced stainless steel connector tips, thicker wiring rated for 10,000+ bend cycles, and a dual-spring retraction mechanism. Covered by our 3-year support — free replacement,
Can this charge my Apple Watch and AirPods? My old power bank shuts off with small devices.
Yes. A built-in smart chip auto-detects low-draw devices like Apple Watch, AirPods, Galaxy Buds, and Fitbit. It switches to trickle charge mode automatically — no button needed. Just plug in and it handles the rest safely.
Does this get hot while charging? Some power banks get so warm I am afraid to leave them plugged in.
An NTC thermistor monitors temperature in real time and auto-reduces current if it gets warm. Every port has overcharge, overcurrent, short-circuit, and overvoltage protection. Safe for overnight charging.
What if it stops working after a few months? Will someone actually help me?
Every charger comes with a hassle-free 3-year support. Contact our charmast team via — a real person responds within 24 hours. We ship a brand-new replacement free. No return needed, no shipping fees, no hoops to jump through.




































