Start Dead Batteries - Safely jump start a dead battery in seconds with this compact ... Multi-Function - It's a car jump starter, portable power bank, and LED flashlight. Recharge smartphones ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

Zarrin Ahmed is a Deals and Commerce writer at CNET. She loves helping people find great deals on products they can't live without, things they want, and things they never knew they needed.