Initial Charge Notice:
The ePulse2's rechargeable battery can discharge while the unit is in transit. If you are having trouble with the initial charge, plug the ePulse2 into the charger, wait one minute, hold the On/Off button down and release it after 15 seconds. The 'charging' indicator will appear within seconds of releasing the On/Off button.
If you are having further trouble, please contact Impact Sports Technologies customer support at (888)537-9763.