Connect to this 3,600 mAh portable battery charger, and give your devices the power they need. Featuring Smart IC, our exclusive intelligent charging circuit design automatically identifies and matches the fastest charging speed for your device (max 2A) for a quicker, more efficient charge. The 1A and 2A USB ports rapidly charge two devices simultaneously, providing smartphones, mp3 players, cameras, or other USB gadgets with enough power to keep going throughout your busy day. LifeBar 3's slim profile and durable aluminum housing easily fits in your backpack, purse, or gym bag, making LifeBar 3 the ultimate go-anywhere accessory.