Los Angeles, Calif.-based Parallel Systems on Sept. 12 introduced its second-generation autonomous battery-electric freight car, which it plans to pilot test on existing U.S. and international rail ...

I have a Sears deep-cycle lead-acid 12v battery already which I've only used once or twice a year for certain power applications. I was thinking of purchasing an identical model and wiring it in ...

This is probably fairly straightforward for an EE to weigh in on so I thought I’d post this question here for posterity in the hopes that it’ll solve the issue for other designers. The challenge is ...

Culver City, Calif.-based Parallel Systems is testing autonomous battery-electric railcars for short-haul freight operations, and has raised $49.55 million in Series A funds to help build a fleet, ...

A California startup co-founded by three former SpaceX engineers has emerged from stealth with a plan to build autonomous electric vehicles to haul freight by rail, and has raised a sizable pot of ...

With the rapid development of electric vehicles and energy storage systems (ESSs), accurate state-of-health (SOH) estimation for lithium-ion batteries has become crucial for ensuring safety and ...

Steps to take for evaluating charging systems. Testing the starter and fuel gauge. Using a Raspberry Pi for system testing. Steps for powering up and initialization of the charging system. For Part 1, ...

Basics of battery-charging systems. Regulating a charging MOSFET. Partitioning of the fuel gauge. Implementation of a battery-management system. 1. The battery fuel gauge can be implemented on the ...