I think the Apple Watch is a wonderful piece of technology. I absolutely love it. But like all portable tech, keeping it charged can be a challenge. It’s especially important now with the extra benefits you get from sleep-tracking data.

There are many portable smartwatch chargers out there but the Laser ChargeCore Keyring Power Bank is just perfect for me. I stumbled across it while searching for something else on Laser's website.

As I said on Sky News Weekend Edition with Tim Gilbert in the video above, it can be hard to lock down a time to recharge your watch if you’re out and about all day. A portable smartwatch charger is a good idea but only if the form factor means it’s easy to carry. Fortunately, this keyring model takes care of that issue.

Only last week I took a flight to Melbourne for the F1 Grand Prix but my Apple Watch was flat. Thanks to the ChargeCore I was back up and running during the flight. It says on the box that it’s good for two to three full recharge cycles and I found that to be the case.

Inside the charger, you’ll find a 1,000 mAh battery with a power output of 3 watts. The charger is recharged via USB-C cable. Please note – you can’t charge another device via this port.

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