Acmount P100 Car Jump Starter — 5000A Peak Lithium

A 5000A-peak lithium jump starter that cranks up to 10.0L gas / 8.0L diesel engines and doubles as a USB power bank and LED flashlight — 4.5 stars across 4,600+ reviews. Clip the coupon on the Amazon page to drop it from $89.99 to $45.89 (50% off).