sku.4151 charger is terrible for 18650, but fine for smaller sizes. it takes 10~16hrs to charge up an 18650 since the Amp output is so low at 0.5A for two 18650.
if you're only charging 18650, then the sku.6105 charges much faster at around 4hrs.
I wish I had known that before. Come on uke, you're supposed to be the all-knowing P7 guy! He recommended the 4151. At least shipping is free so it doesn't hurt so bad.
Originally Posted by
brokenknee
Yes, I meant how long will it stay charged while not being used.