At some point, the 3.6 V of a single lithium ion battery just won’t do, and you’ll absolutely want to stack LiIon cells in series. When you need high power, you’ve either got to increase voltage or ...

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 ...

POWR2 has unveiled its latest product, the POWRSYNC. Designed to increase power output and storage capacity, POWRSYNC enables the operation of POWRBANK batteries in parallel. The POWRSYNC device ...

For those willing to put some elbow grease into it, there is an almost unlimited supply of 18650 lithium ion batteries around for cheap (or free) just waiting to be put into a battery pack of some ...

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 ...

A 6-V battery powers a circuit with parallel branches on a board. Several wires and light bulbs plug into the board to make various series and parallel circuits. The brightness of the bulbs changes ...