Here is the parameter information of Philips BRP216 LED40/740 G2 Solar 911401845302 SmartBright:

General Information

Warranty Period: 3 years

Light Technical

Luminous Flux: 4000 lm

Correlated Color Temperature (nom): 4000 K

Luminous Efficacy (rated) (nom): 180 lm/W

Operating and Electrical

Battery: 320 Wh LiFePO4 battery

Mechanical and Housing

Housing Material: Die - casting aluminum

Approval and Application

Ingress Protection Code: IP65

Over Time Performance (IEC Compliant): Median useful life L70B50 50,000 hours.