12V Lipo battery question.

Using Arduino General Electronics
1

Just about to buy one of these things for my standby solar power system to replace the Lead Acid battery and
it struck me , how do you get 12 V from a LIPO battery, given the 3.7 cell voltage.
Or are these batteries really 11V but quoted as being 12V.

2

The batteries are 3.7V nominal, but go up to 4.23 when charged, as on that page:

The voltage of a Li-poly cell varies from about 2.7 V (discharged) to about 4.23 V (fully charged), ...

So you could probably say that is "12V" when charged.