Warning Prompt:This high-discharge performance Lithium manganese IMR button top battery is NOT protected against being over-charged, over-discharged or short circuited. It is therefore very important to observe the following when using these cells:
(1) Do not discharge below 2.75V
(2) Do not charge over 4.2V
(3) Use with Nitecore chargers
(4) Do not short circuit (may release potentially hazardous current)