Suaoki via Amazon offers its Suaoki U10 800-amp Peak 20,000mAh Car Jump Starter / Portable Battery Pack in Blue for $69.99. Coupon code "UHPF3LSA" drops that to $41.99. With free shipping, that's $8 under our April mention and the lowest price we could find by $42. It jumps vehicles with gas engines up to six liters or diesel engines up to five liters and features an LED flashlight with SOS mode. Deal ends June 30.