Emergency Lighting = Instant Battery Power
Emergency lighting in stores, hospitals, passages, stairwells, and basements have become so common we scarcely…
Emergency lighting in stores, hospitals, passages, stairwells, and basements have become so common we scarcely…
Electromagnetic interference, or radio-frequency disruption if you prefer, is due to nearby sources. These may…
EV vehicles have embedded themselves in our culture. The question now arises how we should…
Urban legend is a persistent thing. What was once true, or thought correct, is no…
Does altitude affect batteries. we wondered the other day. After all, we do get tired…
Lithium-ion batteries will power electric motors when the rocket lifts off to take the first…
If you find your auto starter motor turning slower on winter mornings, you are not…
Connecting battery cells in series increases total voltage, whereas doing this in parallel increases capacity.…
Shifting across to green solar and wind power has had its limitations, to date. In…
Nothing really lasts forever, does it? There comes a time when our electric shaver lets…