These are always great to have on hand! Today Only, you can get this Portable Car Jump Starter with USB Power Bank for Only $49.99! (Reg. $80). Equipped with a high-capacity 5,400 mAh lithium-ion battery, this unit has a formidable 300-amp maximum jump start current, eliminating the need for another vehicle when your battery dies. This Scosche portable car jump starter also incorporates a handy flashlight with SOS and strobe settings to illuminate the night.