... 1A)Battery: lithium battery (rechargeable) (3.7V/4400mAh)Charge time: 6-8 hours (10-12 hours of run time)LED Life ... / CTN=0.866 CBM, N.W=25kg, G.W=30.6 kgCertificates: CE, RoHSWhy choose us: 1. We are Professional LED ... can adjust the delivery time as per customer's demands)6. Certificates: CE,ROHS,ULIf you are interested in this product ...