The 20-Amp boost mode has you covered. Bad battery indicator.
JRAPOTU Car Jump Starter 2500A,portable car battery charger and jump starter
12/24V 9A Intelligent Automatic Car Battery Charger Pulse Jump Starter AGM/GEL
Intelligent Automatic Car Battery Charger Pulse Jump Starter AGM/GEL 12/24V 400A
12/24V 12A Intelligent Automatic Car Battery Charger Pulse Jump Starter AGM/GEL
12/24V 12A Intelligent Automatic Car Battery Charger Pulse Jump Starter AGM/GEL#
Portable Car Jump Starter,2500A Battery Charger,portable jump starter for car
