
In Japanese, 'sumato' means 'smart' - The Sumato Watchbox is designed to live up to its name. It's an Apple Watch case that both stores & wirelessly charges your watch at home, in office or on the move.
New designated home for your Apple Watch - Charge and store your iWatch in its own dedicated WatchBox. Built from scratch proof, aircraft grade aluminum the Sumato WatchBox will protect your watch from damage and charge it at the same time.
Compatible with Apple Watch Series 5, 4, 3, 2, 1 - compatible with all Apple Watch Series including 38, 40 & 42 mm watches, Hermes, Nike +, Sport and Edition models.
Ideal for Home & Travel - Whether at home, office or on the move, the WatchBox's minimal design is made to look elegant anywhere. Featuring a built-in rechargeable power bank, the lid closes to keep watch in place & charging while on the move.

Recharge your Apple Watch 10x cable-free - Built-in power bank (5000 mAh battery capacity) lets WatchBox charge your Apple Watch up to 10 times off a single charge. Use any USB plug to recharge WatchBox.
Great for Bed Side table, Desk or Office - Keep your living or working space looking sharp with WatchBox's clean & uncluttered design.
Use Power Bank as back-up iPhone battery - Is your iPhone out of battery? Connect it to the WatchBox to charge it simultaneously with your Apple Watch!
Automatically stops charging Watch once battery is full - Its not 'Sumato' for no reason! The WatchBox charging function is designed to switch off when iWatch battery is fully charged.

No more Cable Clutter - Keep your desk or bed stand cable free! WatchBox's built-in power bank will last nearly 2 weeks while charging your Apple Watch every night. All on a single charge.
Use a Single Power Cable to charge your Watch & iPhone - When the WatchBox battery is low, you'll only need one power outlet to re-charge it. You'll still be able to charge your Apple Watch and iPhone from the WatchBox.
Beautiful Minimalistic Design - Using premium aircraft grade aluminum, the WatchBox has a clean & minimalistic look.
Conveniently charge iWatch in Bag or Backpack - Put your iWatch inside the WatchBox, close the lid and leave the WatchBox in your bag to continue charging while running your errands. The box is built to keep your watch fixed in position to continue charging until full.

No need to Install your Apple Watch Charger - The WatchBox comes with built-in magnetic official Apple Watch charger so you can use it straight out of the box.
MFI Certified by Apple - The WatchBox is an MFI certified product by Apple that passed strict quality guidelines. It's an official seal that makes it cross compatible with any future iOS upgrades & code changes.
Removable Magnetic Charging Dock - In case you want to keep your WatchBox at home, but need a spare iWatch battery charge to last you through the day, the charging dock is removable from the WatchBox. It has its own 500 mAh battery that is good for a single Apple Watch charge.
Use Straight out of the Box - The WatchBox comes ready to use out of the box. Contents include the WatchBox with built-in power bank, user manual, Micro USB charging cable (wall plug not included) & beautiful retail packaging box.

Beautiful Minimalistic Design - Using premium aircraft grade aluminum, the WatchBox has a clean & minimalistic look. It will keep your living space looking sharp with WatchBox's uncluttered design.

Conveniently charge iWatch in Bag or Backpack - Put your iWatch inside the WatchBox, close the lid and leave the WatchBox in your bag to continue charging while running your errands. The box is built to keep your watch fixed in position to continue charging until full.


Battery Capacity
Device |
mAh |
Charges |
Apple Watch |
300 |
10.5x |
iPhone XS Max |
3,174 |
1x |
iPhone XR |
2,942 |
1.1x |
iPhone XS |
2,658 |
1.2x |
iPhone X |
2,716 |
1.2x |
iPhone 8 Plus |
2,691 |
1.2x |
iPhone 8 |
1,821 |
1.7x |
iPhone 7 Plus |
2,900 |
1.1x |
iPhone 7 |
1,960 |
1.6x |
iPhone 6S Plus |
2,750 |
1.1x |
iPhone 6S |
1,715 |
1.8x |
Samsung S9/S8 Plus |
3,500 |
0.9x |
Samsung S9/S8 |
3,000 |
1x |
iPad |
8,600 |
0.4x |
Technical Specs
Watch Box
Dimensions: 92 x 92 x 46.8 mm / 3.6 x 3.6 x 1.8 in
Battery Type: 2x 18650 Lithium
Capacity: 5000mAh
Material: Aluminium alloy, PC
Input: Micro USB, DC 5V/1A
Output: USB 2.0 DC 5V/1.5A (max)
Weight: 307 grams / 0.67 lbs
Wireless Pocket Charger
Dimensions: 48.1 x 37.5 x 17.9 mm / 1.9 x 1.5 x 0.7 in
Battery Type: Polymer cobalt lithium
Capacity: 500mAh
Material: PC
Input: Micro USB DC 5V/500mA
Output: Wireless Charging Module DC5V/500Ma
Weight: 32 grams / 1.1 oz