Craig CMP621F - Manual (Page 10)

~ The display on the unit will show as below and will start charging automatically.
~ Connect the player to the computer using the supplied USB cable.
The player has a built-in DC 3.7V, 600 mAH Lithium-ion Polymer battery. Recharge as follows:
9
Battery Recharge
Notes:
Your battery will last longer if you follow these simple guidelines for caring for and storing it.
A. For normal charge, it need approximate 4 hours.
B. Recharge and store the battery within the temperature range of 5°C~35°C (40°F~95°F).
C. Do not overcharge (longer than 12 hours). Excessive charging or discharging may shorten the
battery’s life.
D. Battery life naturally shortens slowly over time.
E. If you are charging the player while it is connected to a laptop computer, make sure the laptop’s
battery is also fully charged or that the laptop is plugged into its power source.
F. The battery is not charged in the PC Standby mode or when the hardware is safely removed.
G. The rechargeable battery incorporated in this product is not user replaceable.