First prototype AA battery design. Watch the video on it at https://youtu.be/I99F5Nrj-AU
(https://youtu.be/I99F5Nrj-AU)The fund raiser on this at https://fundrazr.com/01KBhc?ref=tw_a77LPd_ab_2kntUnPJnm42kntUnPJnm4 (https://fundrazr.com/01KBhc?ref=tw_a77LPd_ab_2kntUnPJnm42kntUnPJnm4)And my youtube channel with more videos on these is at https://www.youtube.com/user/stevensrd1 (https://www.youtube.com/user/stevensrd1)