The Goal Zero Sherpa 15 is a super - convenient phone charger. It comes with built - in cables, so you never have to search for a charging cord while on the move. With a 3,870 mAh capacity and 2.1 USB output, it can give your phone a full recharge. The sleek and durable aluminum body is slim and handheld, offering great portability. This power bank can be recharged in two ways: from a wall charger in about 2.5 hours or from a compatible solar panel in 4 - 8 hours. It's perfect for charging smartphones, headlamps, and POV cameras. In the box, you'll get the Sherpa 15 power bank with built - in micro USB and USB - C cables, plus a micro USB cord for charging the power bank. It weighs 4.6oz (130g) and has dimensions of 5 x 2.7 x 0.4 in (12.7 x 6.85 x 1 cm). The battery is a Li - ion Polymer flat pouch with a capacity of 3,870mAh and 14.7Wh. Note that it can't recharge and discharge simultaneously.
Using the Goal Zero Sherpa 15 is a breeze. First, when you need to charge your devices like smartphones, headlamps, or POV cameras, just connect them to the built - in cables of the power bank. It can give your smartphone 1 - 2 recharges, headlamp 2 - 4 recharges, and POV camera 2 - 3 recharges. When it's time to recharge the power bank itself, you have two options. You can plug it into a wall charger, and it'll be fully charged in about 2.5 hours. Or, if you're outdoors and have a compatible solar panel, connect it to the power bank, and it'll recharge in 4 - 8 hours under full sun. As for maintenance, keep the power bank in a cool and dry place. Avoid exposing it to extreme temperatures. Also, since it can't recharge and discharge at the same time, don't try to connect it to a power source while it's charging your device. With proper use and care, your Sherpa 15 will serve you well for a long time.
