Cheap and simple, 2200mah for $1.50 at most stores with some cheaper here and there. Their 5000mah one has been working well for me since I got it on clearance.
https://www.walmart.com/ip/Auto-D…14&veh=aff
http://brickseek.com/walmart-inve…=1692190
Cheap and simple, 2200mah for $1.50 at most stores with some cheaper here and there. Their 5000mah one has been working well for me since I got it on clearance.
https://www.walmart.com/ip/Auto-D…14&veh=aff
http://brickseek.com/walmart-inve…=1692190