Other
“Batteries play an important role in any battery operated project/products. Rechargeable batteries are expensive, as we need to buy battery charger along with batteries (until now) compared to use and throw batteries, but are great value for money. Rechargeable …
“My plan is to eventually install a considerable number of dismountable panels on a sailboat. For that, they have to be lightweight, efficient, relatively inexpensive, and relatively rugged. For efficiency, I chose monocrystalline wafers and an MPPT charge controller. These …
“Many AA or AAA battery chargers charge batteries in pairs, but plenty of devices use 1 or 3 batteries, meaning that some of your batteries get overcharged and some get undercharged. NiCd and NiMH batteries also benefit from an occasional …
“The huge increase of portable devices during the last 10-15 years has lead to numerous companies seeking (and succeeding) to make significant profits in this market. Many consumer applications are now powered by accumulators, ranging from the omnipresent cellular phones …
“A friend has approached me regarding his solar project. He wants to install a solar panel together with a battery and an inverter in order to have power at his allotment garden. He had looked at a hobbyist project where …
“I like LiFePO4 batteries. They have a rather flat discharge at around 3.2V, which is ideal for powering 3.3V devices without a regulator. You can also use them in devices that take 2 standard AA cells by using …