Told Ya! 6.8 A/H Lithium Battery With Charger Under $20

Some of the sailboat buys are getting along well with their Lifpo4.

One guy is saying he can detect no capacity loss after 400 cycles.

Video link:
https://www.youtube.com/watch?v=oJ8AfJsOhsM&list=UUoPqTkOluQsuu3RpGnxVwFw&index=13

NOt in the same price league as Mex's link, but I've been watching these Lithium jumper packs come down in price.

http://www.amazon.com/gp/product/B00K7UXT2O/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1&tag=viglink20599-20