Quantum Body Armor
The QuantumSuit Bodyarmor is a new type of armor introduced in IC². It is extremely powerful, but also extremely expensive, having four Iridium Plates as one of its components. A charged Bodyarmor will absorb all kinds of damage until it completely discharges. This piece of armor is the most powerful armor you can get in Tekkit, when equipped and fully charged, technically gives players a health of 166k~ (Bodyarmor holds 1 million EU, every hit takes 30 EU, 1,000,000/30 * 5 (Uncharged Damage Reduction is 80%, put that into numbers out of 10 (the amount of hearts in Minecraft,) and you get 5 hits to kill somebody with 80% damage reduction.) = 166,666.666667) before dying. When uncharged, it has 80% damage reduction, similar to Dark Matter Armor, which holds the same amount of damage reduction.