Because I store my boat onshore and take everything home with me, each fishing trip means lugging the battery in and out of the boat. I was accustomed to performing this task with a 59.7-pound battery ...

Arc, an electric boat startup, is testing the pre-production version of its upcoming Arc One boat. The battery pack is three times the size of a Tesla Model Y battery.

Described as being “triple the capacity of a Tesla Model Y,” the 220 kWh battery on the Arc One is said to weigh over 3,000 pounds (1,360 kg) and provide three to five hours of run time before ...