Hi,Im interested in your product 1200-4400mAh Battery E27 B22 led rechargeable bulb 5w 7w 9w 12w 15w emergency bulb with backup battery, I would like some more details:What is the best price you can offer?I look forward to your reply. Regards,TR KaranamInput Voltage(V):AC85-265VItem Type:Bulb LightsLight Source:LED