A genuine Samsung (not a cheap knock off) external charger with spare battery and battery case.
Simply remove your flat battery from the phone, swap over to a fully charged battery and place in the flat one in this and leave to charge
Repeat! This can be powered by any usb charger via a micro usb cable (or one of the Note 3 specific USB3 cables) but personally I'd recommend using the charger you use for your Note 3.
I've bought this for the Note 3 after using one on my Samsung S3 for 2 years
I never bothered to plug the phone in the wall - just let the battery run to 10% then switch and charge.
(I'm also selling some other Note 3 accessories including some excellent Anker batteries.)
Sorry but I have to put this due to the time wasters and spammers on here...
I WILL NOT SHIP THIS TO YOUR NIECE/AUNT/COUSIN IT IS CASH ON COLLECTION ONLY.
NO DERISORY OFFERS
IF YOU'RE INTERESTED IN THIS, great, BUT IT'S ADVERTISED AT A PRICE AND IF THIS IS TOO EXPENSIVE FOR YOU THEN PLEASE LOOK ELSEWHERE-THIS ISN'T EBAY
Please don't ask me for my phone number to call or text you - I'd prefer to keep it to emails - cheers.