I didn't use that link to compare, just stating efficiency was the same so this is for flashy
here you go
NDI
http://www.nitecore.com/pages/products/ndi/
Output & Runtime: AA battery
Maximum output 130 lumens, for about 50 minutes (with brightness declines to 50%)
Minimum output 3 lumens, for about 45 hours (with brightness declines to 50%)
Li-ion Battery
Maximum output 130 lumens, for about 80 minutes (with brightness declines to 50%)
Minimum output 5 lumens, for about 60 hours (with brightness declines to 50%)
D10
http://www.nitecore.com/pages/products/d10/
AA battery
Maximum output 130 lumens, for about 50 minutes (with brightness declines to 50%)
Minimum output 3 lumens(1%), for about 45 hours (with brightness declines to 50%)
Li-ion Battery
Maximum output 130 lumens, for about 80 minutes (with brightness declines to 50%)
Minimum output 5 lumens(1%), for about 60 hours (with brightness declines to 50%
THEY ARE EXACTLY THE SAME