Keep your cell phone and other favorite devices fully charged even deep in the wilderness with the Charge 20 Portable USB Battery Charger from BioLite. To ensure that the Charge 20 is tough enough to make it through any adventure, BioLite constructs each one from durable stainless steel that is enclosed in a weatherproof, silicone gasket. Between the lightweight and ease of use, this battery charger is going to be your go to companion to keep your devices running. 

[Details]

• Battery 5200 mAh, 3.6 V lithium-ion
• Weight 5.8 oz (165 g)
• Materials:
• Stainless steel,
• Durable ABS plastic
• Silicone
• Weather Resistance IPX6 
• (heavy splashes & rain)
• Outputs (1) USB @ 2.1 A
• Dimensions 0.82 x 1.5 x 3.98 in (21 x 38 x 98 mm)
• In The Box Charge 20, micro USB cable, instructionsBAA1020