Replacement Lamp Cost: Unknown.

更换灯泡费用：未知。

youdao

And the replacement lamp cost is much higher than the competition.

和更换灯泡的成本远远高于竞争。

youdao

Our efforts over the years, developed independently all voltage a constant power delaying 30 (1.5 m) EEFL lamps, let EEFL lamp cost will increase.

我公司经过多年的努力，自主研发出恒功率全电压型1拖30根1.5米eefl灯管这，让EEFL灯箱性价比再次提高。

youdao

But it indicates a demand (the majority of backers invested at a level which would get them a lamp, at a cost well over the average Kickstarter donation), and could yet be parlayed into the future development plans of the right kind of product.

FORBES: Kickstarting Over - Good Night Lamp's Kick-Smart Response

This improves reliability, and centralising the solar charging reduces the cost of each lamp.

ECONOMIST: Solar lighting

The group sets a small percentage of the cost of each lamp to go toward the volunteers.

CNN: 'Saving lives' with solar-powered lights