Here is a tech reference that will answer most questions about batteries. Start here:
http://batteryuniversity.com/
If you are just interested in battery performance, this is the best source. It compares batteries and drain rates, along with chargers.
http://www.lygte-info.dk/info/indexBatteriesAndChargers UK.html
http://batteryuniversity.com/
If you are just interested in battery performance, this is the best source. It compares batteries and drain rates, along with chargers.
http://www.lygte-info.dk/info/indexBatteriesAndChargers UK.html