Jump start your car around twenty times on a single charge. Dual USB ports provide versatile power for your phone, tablet or any USB gadget. Emergency LED with 3 modes: torch, strobe and SOS flashing. Anti-inverse current protection, protects your K3 jump starter from damage. Buy this product and Get 16% OFF For BlitzWolf™ K3 400A Peak Current Jump Starter Multi-Function Car 12000mAh Dual USB Power Bank Safety Protection LED.