peregrev87 wrote:

what is the battery
li-lon? li-pol?

Pico Baby uses a 20400 Lipo battery.
Specs for internal cell are model number JS20400, 5.55Wh, 3.7v nominal voltage.
I've looked everywhere and can't find an equivalent, either retail or OEM. I suspect Eleaf have sourced these from a battery source which isn't commercially available.