Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The Optima H6 is part of the Car Batteries test program at Consumer Reports. In our lab tests ...

Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The Optima Yellow Top 3478DT is part of the Car Batteries test program at Consumer Reports.

Does Solar Optimum offer energy storage? Yes, Solar Optimum clients can add Tesla Powerwall 2.0 or Enphase home battery backup that provides power during surprise blackouts and natural disasters.

In order to enjoy optimum performance you’ll want to charge up the detachable 29.6V battery pack first, which can be done using the supplied mains adapter and cable. With this done and slotted ...