Juice Cube, Emergency Mobile Charger, Black

Product information

Charge your devices on the go with the Juice Cube. This compact cube is designed to slip into your bag and provide power for your Apple device or smartphone if you run out of battery life and can’t get to a power point. Simply charge the Cube through the supplied USB cable when you’re at home, and then attach it to your device with one of the 8 universal connectors when you’re in need of a charge. Shake the Cube to illuminate the battery indicator lights so you know how much juice you’ve got left.

Compatible with:
Apple iPod Nano
Apple iPod Touch (2nd, 3rd & 4th Generation)
Apple iPhone 3G, 3GS, 4 & 4S
Apple iPad, iPad 2 & iPad 3
Samsung, Blackberry, HTC, LG, Nokia and Sony Ericsson phones
Sony PSP

Eligible for International Delivery


Click & collect

FREE on orders over £30, £2 if you spend less. Collect from John Lewis or Waitrose tomorrow from 2pm
369 participating John Lewis and Waitrose shops

Collect + from a local shop from tomorrow - postcode exclusions apply for Collect+ deliveries

5000+ participating Collect+ shops

Standard delivery in 5 working days


Named or Saturday UK delivery


Named day UK delivery pre-10.30am


International delivery not available

We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.


Find out more about returning products

Q & As

Rated 3.1 out of 5 by 17 reviewers.
Rated 1 out of 5 by could be useful sometimes I find that sometimes it works and others times it doesnt .I am contemplating taking it back. the man in peterborough store was not that helpful 28 July 2015
Rated 3 out of 5 by Charges but not the 5! What a pain! Doesn't charge the 5 which it didn't state when I bought it, I know you can take the lead from home but I only have one so I'll have to buy another one for the cube. Box doesn't stay closed so all the bits fall out in my bag. Wouldn't buy it for these reasons as pain but it charged fine. 17 June 2015
Rated 5 out of 5 by Really Cute and Useful It's small so it fits in my bag well, plus it's cute! One thing I will say is that the cord for the charging can be annoying if it gets into a muddle in your bag. 09 June 2015
Rated 1 out of 5 by Doesn't give me a full charge Really disappointing, supposed to give 6 hours of charge as stated on the packet but it charges my phone for about an hour and a half only giving 70%. What can I do about this? 22 May 2015
Rated 5 out of 5 by Great product for iphone 5 I got this as a present and didn't realise how useful it would be. I've used it on my iphone 5C and its given nearly a full charge each time. Its great for those days you're going to be using your device a lot and don't have anywhere to recharge. Lots of the reviews on here mention about no adaptor for iphone 5 and 6. Just ditch the cable you get with the cube and use your standard iphone cable. It works perfectly. 11 March 2015
Rated 2 out of 5 by Could be better Ive had this for a couple of months but have only just needed to use it. Charged it fully and its only given me a 12% charge - is this normal? Thought I would have gotten so much more :( 12 December 2014
Rated 4 out of 5 by iPhone 5 compatible Some reviews say this item isn't compatible with an iPhone 5, it is. Use your mains charger, remove the 3pin section and the USB will go into the juice box. I used the provided adapters to charge the box with our iMac 20 June 2014
Rated 1 out of 5 by Disappointed as no iPhone 5 connection I was really excited about purchasing this as it was just what I needed when on the go, unfortunately I am disappointed there is no cable for the iPhone 5. I should have checked but assumed there would be. I am hoping to get a refund. 12 June 2014
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£9.97 - £24.95

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Out of stock