IIEST, Shibpur

Indian Institute of Engineering Science and Technology, Shibpur

(Formerly Bengal Engineering and Science University, Shibpur)

Empowering the nation since 1856

आई आई ई एस टि, शिवपुर

भारतीय अभियांत्रिकी विज्ञान एवं प्रौद्योगिकी संस्थान, शिवपुर

(पूर्व में बंगाल इंजीनियरिंग एंड साइंस यूनिवर्सिटी)

१८५६ से देश को सशक्त बनाना

Solar Lantern

Solar Lantern

Electrical Performance

  • Efficiency is about 85%
  • Standby current (after cutoff) is 1.5mA
  • Turn on LED voltage is 6.0V
  • Cut off voltage is 5.4V
  • Cost is reduced by 20%
  • Circuit complexity is reduced

Optical performance

  • Efficiency is about 85%
  • Standby current (after cutoff) is 1.5mA
  • Turn on LED voltage is 6.0V
  • Cut off voltageis 5.4V
  • Cost is reduced by 20%
  • Circuit complexity is reduced

Solar Lantern

External and Internal view of Charging Station