This Isolator will allow charging and operations to two separate batteries at the same time. Transpo part number 2-130.
Comes with lead cable for main battery/alternator to isolator and has a waterproof fuse for safety.
Specifications:
OEM: Transpo
Low Input Voltage: 6 High Input Voltage: 50
Amps: 130
Length: 6.5in / 165mm Width: 4.55in / 116mm Height: 2.52in / 64mm
Number of Inputs: 1
Number of Battery Banks: 2
Notes: Neg. Ground, 2-Batteries
Transpo Blue aluminum finned heat sink Press-fit diodes
Welded connections
Can be wired for sense E-terminal for excitation function to voltage regulator
Retails from 144 to 166 dollars but I am selling at $60 and no tax.
If you need an Inverter to go from DC to AC then see my other ad.