Batteries > General

Q-87: True or false: you can measure the amount of charge in a battery by weighing it? Answer ...

Q-95: I’m building a small Spirit of Sam electric airplane and I have a question concerning battery packs. If I hook up four AAA batteries in series and RadioShack says that each battery cell is 300 mAh capacity, is the resulting pack going to have 1200 mAh capacity (4 times 300)? Answer...

Q-99: I am in the process of finishing a twin-engine model aircraft and plan on employing up to 10 Futaba S3003s servos. Do you think a standard four-cell, 4.8-volt, 600 mAh receiver pack is okay for this?
Futaba sells four-cell packs, but with higher capacities (both 1000 and 1500 mAh), which I could upgrade to. They also sell a five-cell, 6.0-volt, 600 mAh pack. Would going to five cells be better for my particular application? Answer ...

Q-117:  I recently purchased some new batteries and began to wonder about the meaning of some of the cell terminology or designations. I see the abbreviation ‘SCR’ and wonder does that mean ‘Standard Charge Rate’? I also see the term ‘RC’ and wonder if that means ‘Rapid Charge.’ Can you shed any light on this? Answer ...