Thumb Score: +21

HiTop Jump Starter via Amazon [amazon.com] has 5000A Soulor Portable Car Jump Starter w/ 9-in-1 Functions & LCD Display on sale for $35.99 – 50% off when you apply promo code HRBFX2EZ at checkout = $17.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.