CHAMP Pro Portable Charger

A 20,000 mAh battery bank sits in the sweet spot for multi-day backcountry routes, mobile photography, or remote work where wall outlets are out of reach. Nimble builds the Champ Pro around a dense cell block wrapped in post-consumer recycled plastic, giving the shell a textured matte finish that fends off dirt and scuffs better than slick polycarbonate. It minimizes dead space inside the housing, resulting in an exceptionally compact footprint for a pack of this storage capacity.

Field performance centers on its high-output USB-C Power Delivery, which pushes enough wattage to rapidly charge modern phones four to five times or supply a meaningful refill to an ultralight laptop. Dual ports make it easy to top up a headlamp and GPS unit simultaneously without erratic power throttling. However, the housing is strictly weather-agnostic; with no port covers or ingress protection rating, you will need to keep it sealed in a dry bag when storms roll into camp.

Weighing around fourteen ounces, it is too hefty for weekend fastpacking but earns its keep on week-long basecamps and shared expeditions. Compared to purpose-built outdoor batteries from brands like Goal Zero or ultralight carbon banks from Nitecore, the Champ Pro trades water resistance and trail armor for eco-forward manufacturing, solid output flexibility, and seamless crossover from the backcountry to the carry-on bag.