batteries

Hi all, I have a question about Li-ion rechargable batteries. I have almost no experience with it. Documentation to battery is very poor, but there is an info about charging profile: Stage 1: Constant Current 0.82 Ampere (0.2C) until Voltage reach 4.2V Stage 2: Constant Voltage (4.2V) with...

Hi, I would appreciate if someone would be able to comment/advice on the following matter. I have been looking around for an IC that would charge and balance Li-Ion cells 2-3 of them in series. It seems that the balance feature is absent in most cases. MCP73841 appears to provide most of the...

Hi, I am a first time poster in need of some advice. Whilst inspecting my household drinking well, my torch with four 18650 cells plunged to the bottom. The torch is waterproof but probably not at the 24ft depth of my well. What reactions are likely to take place, and what if any...

Hi there, I am looking at installing a solar and wind energy system on a house. The solar panels produce DC and the wind AC but the winds AC is passed through a controller which converts it to either 24 or 48VDc. Therefore both solar and wind will be producing DC. I intend for this to be an...