Antigravity Batteries’ Re-Start line of batteries are the first batteries with built-in jump starting. The revolutionary ATX20-RS Re-Start Battery intelligently monitors its status, and, just before going completely dead, puts itself to sleep with just enough energy to get your vehicle started again. The new ATX20-RS is an extremely lightweight. The ATX20-RS offers a full Battery Management System which includes a low-voltage cut-off, over discharge, over-charge and thermal protections with real time lithium-ion cell balancing.

MSRP: $319.99

Link: Antigravity Batteries