How many types Outdoor Power Bank do you need?
The EasyAcc waterproof power bank has an a fairly high capacity of 9000mAh. Waterproof, dustproof, and shockproof; tough body with Ingress Protection Rating of IP67. The EasyAcc waterproof power bank is a very solid product worth taking on your adventures. EasyAcc Waterproof Power Bank Review .The EasyAcc 9000mAh Power Bank has a rugged design which is fully waterproof and perfect for outdoors adventures.
Best Power Bank 20000mAh
If however, you have a long trip planned or lots of devices to keep topped up, then take a 20000mAh Power Bank. All the portable chargers featured in the list have a minimum capacity of 20000mAh and are capable of charging most phones over 10 times.

15000 mAh Solar-Powered Portable Charger
Solar Panel for Adventure Travelers: Solar Panel
Solar panels seem to be disregarded as futuristic, complex and expensive gadgets for geeks with stacks of cash to burn. That’s not the case for the EasyAcc solar panel, which costs $27 and is as simple as putting the panel in the sun and plugging your phone in. Click here to see the review.
What size battery pack do you need?
This is where things get a little more complicated. If you have done any basic research on this, you know that the options can be overwhelming. There seems to be three basic tiers:
• Enough power for one full charge on most phones.
• Enough power to charge your phone a couple times.
• The big daddy that can fully (or almost) charge a tablet.
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So how do you know how many times it will charge your device? It really comes down to simple math. Backup battery packs show their capacity in milliamps (or mAh). Your device’s battery also uses this same rating system. Here’s how it works:
So, now you know what mAh capacity to look for, how the output rate will affect charging on your device, and that you have the option to charge multiple items at once, all you have to do is choose one. One expert tip: most batteries will print their capacity right on them. So for those devices with removable batteries, you can look here first to help you determine the capacity that you need. To help, I have listed the capacities below of some popular devices.






