Welcome to the wonderful world of solar energy! Sundaya's super affordable water resistant kits are great for outdoors, and taking your Sundaya lighting & device charging with you wherever you go.
Device Charger Attachment
Micro USB Cable
Micro USB & Universal USB
Energy Storage Capacity
Milliampere hour 2,600mAh at 3.7volts
30 kiloJoule (kJ)
Equivalent to fully charged low feature phone or half charge large smartphone.
Time to Refill Battery
Full battery after 8.25 hours in direct sunlight
Full battery after 3.2 hours in direct sunlight
Solar Panel Efficiency
Cloudy Conditions : 11 kJ = 3 Wh / day
Average Conditions : 16.4 kJ = 4.5 Wh / day
Full Sun : 22 kJ = 6.1 Wh / day
Watt Peak (Wp) : 1 Watt
Cloudy Conditions : 31 kJ = 8.5 Wh / day
Average Conditions : 46 kJ = 12.8 Wh / day
Full Sun : 61 kJ = 17 Wh / day
Watt Peak (Wp) : 2.9 Watt
Light Output & Efficiency
All Sundaya bulbs function at 25% Light Conversion Efficiency.
This is the highest light conversion efficiency in the world today - with most commercially available LED lamps converting light at between 3% to 8% efficiency.
a Device Charger
After being fully charged by the sun, can:
Fully charge 1 standard smartphone or 2 low feature phones, or
Partially charge larger smartphone or tablets, or
Charge any other USB charged device (i.e. speakers, cameras, e-readers, other powerbanks, etc.)
Simply attach the included micro USB cable to charge your phone or device, or use your own USB charging cable.
The JouleStick Kit is a versatile, extremely portable personal solar kit that can be used as a torch, hanging lamp, table lamp and device charger.
All JouleStick Kit electrical contacts are gold-plated to ensure long life. The included Bottle Stand can be inserted into most plastic or glass bottles for a handy table lamp - we recommend filling the bottle with sand or small stones for stability when used as study lamp.
The Sundaya JouLite is a robust, versatile flashlight, reading lamp and solar powered device charger. JouLite is splashproof and can be used indoors or outdoors.
The JouLite comes with integrated USB, micro USB and 3.5mm Nokia connectors that you can use for charging electronic devices such as mobile phones, tablets, speakers, small cameras, powerbanks, and more directly from the lamp battery.
The JouLite is a very bright portable solar light, operating at up to 150 lumens!