I purchased a Goal Zero Venture 30 battery (January 2018) and immediately put it in to use as part of my every day carry.
This battery has a capacity of 30Wh, 7800mAh (3.6V) and hooks up easily to USB port.
It comes with a thick charging cable last for a while. But my kids got a hold of it and bent the metal piece and it was done.
I throw it in my backpack and have been using it for backpacking and long endurance off road bike rides. It only weighs 8.8 ounces (250g).
I have hooked it up to a solar panel and it charges as long as the sun is out.
They say it is waterproof and I believe it as I have taken it on many long bike rides (Trans North Georgia TNGA race) where I have been rained on and it still works fine.
Check out the Goal Zero Venture 35 Power Pack @ Amazon.com
It also has a flash light imbedded in the charging lights and I have used it more than once to find my keys in my truck or get into my house.
What We Like:
It is dependable and not effected by rain and weather.
What We Don’t Like:
The metal bit on the thick charging cable bent and we could not use it.
I purchased this battery in January 2018 and it is still going strong in April of 2020.
In the past 2 plus years I have completed several long bikepacking races to include the TNGA 300, Vista 300, CFFIT 290 and Huracan 300. I used the battery to recharge my Iphone and headlamp batteries.
The battery finally died in March of 2023. That is 5 years of use in the field. I would purchase another one of these batteries based on these past years of experience.
It looks like the Venture 30 has become the Venture 35. I am on track to purchase a 35 and field test and post up my notes.
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ABOUT THE AUTHOR
Brad McLeod is a former Navy SEAL, endurance athlete, and founder of SEALgrinderPT.
He field-tests gear under real-world conditions and shares what works when it matters most.
SGPT is a proud supporter the Navy SEAL Foundation and the Navy SEAL Museum.