Update: Deal over.

Amazon has the highly rated NOCO Jump Starters and Battery Chargers on sale as a Cyber Monday deal!

Click here for this deal.

Sample deals:

NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and Battery Desulfator with Temperature Compensation: $19.39

NOCO GENIUS5, 5-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and Battery Desulfator with Temperature Compensation: $45.46

NOCO Boost HD GB70 2000 Amp 12-Volt UltraSafe Lithium Jump Starter Box, Car Battery Booster Pack, Portable Power Bank Charger, and Jumper Cables For Up To 8-Liter Gasoline and 6-Liter Diesel Engines: $123.39