Here are 6 different portable batteries and accessories that are compatible with Apple Watch Series 2 and Series 1. If you have an Apple Watch, you know that battery life can be an issue at times. These ultra portable batteries can quickly juice up your watch at a moment's notice.

1. Keychain Charger 700mah - $49 on Amazon



If you're looking for an ultra-portable charger for your Apple Watch, this is a must have for those always traveling and on the go. It has excellent reviews and with 700mah users are reporting it's capable of charging your watch at least once to full. Compatible with all versions of the Apple Watch - Series 1/2/Nike/Sport/Steel

2. 1,300mah Charging Cube - $49 on Amazon



This travel sized cube charger by ZENS is super compact which is perfect for travel and packs 1,300mah of battery power! That means you should expect it to re-charge your Apple Watch up to 3 times.

3. Nomad Pod 1,800mah for Apple Watch



This is a great portable battery for the Apple Watch. If you're interested in the Nomad Pod be sure to check out our full review of the Nomad Pod.

www.amazon.com Nomad pod-aw-s Pod Portable Charger for Apple Watch - Silver Pod packs a compact high density 1800mAh lithium ion battery which is enough to keep you going day and night, and day and night ... and day. Toss Pod in your pack, and you will have enough power to ge ... $29.99

4. Power Bank 4,000mah Watch and Phone Charger - $49 on Amazon



If you need a battery that will pack some juice, this one by TopVision is it. Not only will this allow you recharge your Watch up to 11x times, it also features a built in USB port so you can also charge your iPhone as well, simultaneously!

www.amazon.com Apple Watch Series 2/ Series 1/ Nike+ Wireless Portable Charger by TOPVISION, Pocket Sized 4000mAh Magnetic Power Bank, One MFi Certified 2 in 1 Lightning Cable Included - White 4000 mAh portable charger for Apple Watch. $49.99

5. Kanex GoPower 4,000mah - $85 on Amazon



This battery charger is more expensive than the others. It's also a dual charger for Watch and iPhone. It enables pass-through charging while connected to power so your device charges first, then GoPower recharges itself.

6. Apple Watch Car Charger by Oittm - $45 on Amazon