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Review on πŸ”‹ 12V 140Amp Dual Battery Isolator: Ampper VSR Smart Battery Isolator for Car, Vehicle, RV, ATV, UTV and Boat - Enhance Vehicle Performance by Ross Bagby

Revainrating 1 out of 5

RVs must have the best battery switches

Can be installed on a truck (tractor) to be charged by adding a large diameter cable to the fifth wheel wheel battery. This prevents the truck battery from discharging under RV load with the isolator during meal stops, gas stations, rest breaks, shopping, etc.

Pros
  • Rugged: This voltage sensitive relay has a rugged design that makes it suitable for almost any location, even off-road, it's waterproof, shockproof, dustproof and withstands unexpected extreme weather conditions.
Cons
  • Expensive