Four - White LED luminaire (250 lumen net output), 24W solar panel, 12V- 20Ah Sealed Lead Acid Battery (SLAB)
Technical Specifications of Model 4:

LED Lamp / Luminare :
3 Watt Lamp made of 3 Cree Q5 LED’s
Electronics efficiency > 92% at 12V i/p
Metal body helps as heat sink
Lumens : 250 net output
More than 15 Lux at a diameter of 2.5 mt
Reverse Polarity Protection
Solar Panel:

Maximum power : 24 Wp
Open circuit voltage : 21.4 Volt
Short Circuit Current : 1.63 Ampere
Central Control Unit:
Battery : 12V, 20Ah battery
Low Voltage Cutoff : 12.22 volt
Over Charging Cutoff : 14.4 Volt @ 27 Degree Centigrade