I have been after a good quality jump start pack for some time. This is by far the cheapest I have seen.
Seems there is a good range of Noco on special
Copy and paste
Start Dead Batteries Safely jump start a dead car battery in seconds with this compact, yet powerful, 2000-amp portable lithium car battery booster jump starter pack up to 40 jump starts on a single charge and rated for petrol engines up to 8-liters and diesel engines up to 6-liters
UltraSafe and easy to use car battery booster jump starter pack without the worry of incorrect connections or sparks, Safely connect to any 12 volt automotive car battery with our mistake proof design featuring spark proof technology and reverse polarity protection
Multi-Function It's a car jump starter, portable power bank, LED flashlight and 12 volt portable power, Recharge smartphones, tablets and other USB devices, It's easily rechargeable from any powered USB port in 6 hours at 2.1-amps, An integrated 400-lumen LED flashlight with seven light modes, including emergency strobe and SOS, Plus, a 12 volt, 15-amp outport port for powering any 12VDC devices, like tire inflators, inverters and more
Advanced Design Our most advanced portable car battery booster jump starter ever, Featuring high discharge lithium technology for safe operation in any climate, A rugged and water-resistant enclosure rated at IP65, A rubberized over molded casing to prevent scratching or marring of surfaces, Rapid charging in 2 hours via the vehicles auxiliary port and an ultra compact and lightweight design weighing just 5 pounds
In The Box GB70 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack, Heavy Duty Battery Clamps, XGC Male and Female Connectors, XGC Cable, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty and Designed in the USA
Their battery chargers have good discount too.