GRE CSPA Manual De Instrucciones página 5

Plug one end of the charger into the socket, and the charger is green.
(1)
Then, plug one end of charger to P1113, the charger is red, the charger is working
(2)
now.
Note:When the battery power completely exhausted, it is normal that the
charging indicator will be flashing for 20-50 seconds.Then the indicator will turn
into red and the battery will be charging correctly.
After charging 2.5-3 hours, the charger becomes green, and P1113 is fully charged.
(3)
(4)Now, it is time to work.