It is not a Lipo battery, and yes it has a PCB, all the specifications for the battery and charger can be found in the listings, also check the feedback, of buyers... happy, to ecstatic, for both E tube and 7970 buyers.
http://www.ebay.com/...id=p3984.m1555.l2649
http://www.ebay.com/...id=p3984.m1555.l2649
http://www.ebay.com/...id=p3984.m1555.l2649
and for charging in the bike,
http://www.ebay.com/...id=p3984.m1555.l2649
I also do custom harnesses with remote buttons for guys wanting to ride but have limited hand function like paralympic and wounded warrior's. Some of my profit goes to help those who have limited funds for custom set-ups, another words free, just materials cost.
http://www.ebay.com/...id=p3984.m1555.l2649
http://www.ebay.com/...id=p3984.m1555.l2649
http://www.ebay.com/...id=p3984.m1555.l2649
and for charging in the bike,
http://www.ebay.com/...id=p3984.m1555.l2649
I also do custom harnesses with remote buttons for guys wanting to ride but have limited hand function like paralympic and wounded warrior's. Some of my profit goes to help those who have limited funds for custom set-ups, another words free, just materials cost.