Solar Lantern

SPECIFICATIONS
The broad performance specifications of a W-LED light source based solar lantern system are given below:

PV Module                         : 4/5 Wp under STC

Battery                                 :  Sealed Maintenance Free (SMF) lead acid battery of 12V, 7AH
OR
NiMH or Lithium-Ion or Lithium Ferro Phosphate Battery

Duty cycle                           : 4 hours a day (at full brightness level), under average daily insolation of 5.5
kWh/ sq.m. on a horizontal surface.

Autonomy                          :  Minimum of 3 days or 12 operating hours per permissible discharge.

Light Source                       : 2.0  Watts (max.) W-LED luminaire, dispersed beam, soothing to eyes with
the use of proper optics and diffuser

Light Output                       :  Multiple Light levels
The lamp should have two levels of light (operation at 100 % power and 60% power) to take care-of the different lighting needs, as per the User requirements.

Minimum level of illumination from W-LED lantern (at full brightness level)  
should be as follows:

S. No.

Distance in feet

Illumination level
when detector is in horizontal to center point of bottom of light source
in Lux

Illumination level
When detector is at an angle of 90° to the center point of the bottom of light source
in Lux
 

1

1

50.0

160.0

2

2

10.0

50.0

3

3

04

22.0

4

4

2.5

15.0

5

5

1.5

08

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RMS Energy Private Limited

C-138, Naraina Industrial Area, Phase 1
New Delhi – 110028
E-mail: info@rmsenergy.co.in

Phone:

91-11-45128939