These INR 20700 M batteries are very good, one will just about last the day at 45 to 50 watts with a 0.20 ohm single coil build in my asmodus C4 RDA (which i also got from vaping 101!), you cant go wrong with these, would recommend.
Many thanks from Vaping 101.
Super product. Fantastic service.
Second time bought from brilliant service will be buying agian.
Got a few sets of 20700 these bad boys are great all rounders mech or reg