eNTuino Arduino Compatible Board with on-board Battery Charger

Hey guys.. Kindly check out this nice little Arduino compatible board from eNTesla

eNTuino Atmega8 version : http://entesla.com/development-board/arduino/entuino-arduino-atmega8

eNTuino Amega328 version: http://entesla.com/development-board/arduino/entuino-arduino-atmega328

What makes it different is that it has an on-board battery charging circuit for Li-Ion batteries.