Goal Zero Extreme 350 Power Pack
Take power to Earth's most extreme places. Get the Extreme 350 battery as an add-on to your Extreme power kit and enjoy even more power. Whether at base camp on Everest or in relief efforts in Haiti you can have longer lasting power chaining up to a total of four extreme power packs. That's 1400 watt hours of power. Charge via wall, solar panels or car adapter and use as a primary source of power for lighting, cooling and accessories.