Really fast. I mistaken this for a smart charger but it was worth it.
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Dis-Charger
October 30, 2012
Reviewer:
Rodney Thein
from Lewiston, MN United States
work great and fast
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battery discharger mk2
June 19, 2012
Reviewer:
Malcolm Rougvie
from Appleton, WI United States
work great and fast
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0 of 0 people found the following review helpful:
Nifty Looking Grenade Discharger.
May 14, 2012
Reviewer:
James Milano
from Weirton, WV United States
Can't say enough about the BOL MK2 Grenade Discharger. It worked just like the description said and I tried it on my 8.4 volt airsoft battery, after about an hour the red light went off and it was ready to be charged on my new smart charger. A fantastic product and a very novel looking grenade body. Bravo!
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AIRSOFT GUNS
March 5, 2012
Reviewer:
Brandon Cedeno
from Oakley, CA United States
Fast 
battery discharger mk2 
