EBL C Cell Batteries 4-Pack 5,000mAh High Energy Rechargeable C Batteries Battery: 4 pack C cell 5000mAh Ni-MH rechargeable battery Improved low self discharge makes it still maintain 75% of capacity after 3 year of non-use Batteries come pre-charged and can be recharged up to 1200 times Batteries can be used immediately out of the package Batteries can be used in any C device and work in all C NiMH chargers; ideal for high drain devices