Lithium Battery x 3pcs (replaceable)
- 1 DC jack for Solar panel and DC adaptor charging
- Battery capacity indicator
-Working time
Strong Light (4.5Ah): 1-2 hours, Weak light (4.5Ah): 15 hours
MP3 ≥6 hours
- Charging time (4.5Ah): 8-10 hours
- Solar panel 6V/3W