How to use EMP Grenades in Grief Black Ops 2 Zombies
http://blackops2zombiesguide.com/how-to-use-emp-grenades-black-ops-2-zombies

How to use EMP Grenades (By blackops2zombiesguide) Emp-grenades-black-ops-2-zombies


Many people who are playing grief mode in Black Ops 2 Zombies have encountered the EMP grenades.
If you have been playing grief mode in Black Ops 2 zombies you may have drawn from the Mystery box, and saw someone throw it EMP grenade at it. If someone throws an EMP grenade at the Mystery box as someone is drawing, it will make the weapon in the box disappear.
The EMP grenades can be used strategically to screw your enemies over in Black Ops 2 Zombies Grief mode..
For example if an enemy is trying to draw weapon from the Mystery box in Black Ops 2 zombies you can take out your EMP grenades and throw one at the Mystery box, and it will make the weapon in the box disappear, and take the enemy’s money for that draw. The enemy will be out a full 950 points in the case then you throw in EMP grenade at the mystery box while he is trying to draw. This can cause the enemy teammates to get very frustrated with you, and also make the other team lose grief mode in Black Ops 2 zombies.
You will want to be sure not to throw an EMP grenade at the Mystery box when your own teammate draws from it. You don’t want to cause your team additional stress and make your teammates lose points by throwing EMP grenades at the Mystery box when they are trying to draw. You should only thought EMP grenade at the Mystery box when an enemy tries to draw weapon increase mode.

Use EMP Grenades To Disable Perks in Grief Black Ops 2 Zombies
 
Another thing that you can do with the EMP grenades in grief mode is take away perks from enemy players.
In order to use the EMP grenades to take away perks from enemy players in Black Ops 2 zombies in grief mode you simply need to observe which perks your enemy has, and then though an EMP grenade at the Perk Machine. When you throw an EMP grenade at the perk machine in Black Ops 2 zombies in grief mode, it will temporarily take away the Perk-a-cola from all enemy players.
For example if you know the enemy players and grief mode have the juggernog perk, and you can see that the enemy team is getting into a hairy situation where they need juggernog, you can throw an EMP grenade at the juggernog perk machine.
When you throw in EMP grenade at the juggernog perk machine, it will temporarily take away the juggernog perk from all enemy players. This can help you beat the other team in Black Ops 2 grief mode.
Just be sure to be smart with the EMP grenades and Black Ops 2 zombies while playing grief mode. You only get 2 EMP grenades, so make sure to use them wisely.
My favorite thing to do at the EMP grenades, is to throw the emp grenades at the Mystery box when the other team is drawing. This is a quick easy way that you can basically steal 1000 points from the other team. This may also catch the other player off guard, as they may be expecting to pick up a fresh new weapon from the Mystery box to help protect them from zombies. If you can use the EMP grenades to close the Mystery box in Black Ops 2 zombies at the right time, it may help you win the game.
If you have any other questions or ideas what to do with the EMP grenades in black ops 2 zombies grief mode, please leave a comment in the section below. EMP grenades are one of the most fun things to using grief mode, if you just know how to use them right. How have you used the EMP grenades in grief mode to your advantage?

Throw it by the pack-a-punch machine when the enemy uses it and their weapon and 5000 points will disappear. This is by far one of the harshest ways of using the emp grenades.