Weego Crankenstein, serious jumpstart pack with 24v capabilities - Panbo
Lemania Startbooster PROCAP C7 12/24V NATO - LVG Equipment Store
Automotive Emergency Starting Power Bank, 12V/24V Selectable Jumpstart Lithium-Ion Battery - China Power Supply, Auto Power Car Charger | Made-in-China.com
Amazon.com: Car Battery Jump Starter - FlyAuto 1800 Amp 12V 24V Heavy Duty Jump Box, Works with Truck Tractor Excavator Automotive Engine Starter Battery Charger Booster Jumper Box with USB/DC Power Unit :
Jump N Carry JNC1224 Hand-Held Battery Jump Starter
Amazon.com: Interstate Batteries 24V, 12V Jump Starter and Charger 1200A, 600A (35,000mAH, 35Ah) Portable LED LiFePo4 Jumpstart Battery Power Pack for Automotives, USB Electronics (JMP3500) : Everything Else
Bahco Starthjälp Booster BB1224-120 12/24 Volt
Klaravik Auktioner | Batteriladdare med starthjälp Elettro Start 300 12V och 24V
12V 24V Truck Jump Starter 30000mAh Portable Booster Car Jumpstart - China Car Jumper, Car Power Bank | Made-in-China.com
Jump starting 24volt with 12volt battery - YouTube