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fosera. SPARK

Solar Home System

fosera SPARK Solar Home System

Phone Charging


Simple and powerful.

The fosera® SPARK is the perfect entry level solar home system, designed to be cost effective and ultra-efficient while maintaining the same high quality standards that fosera. is known for.

Superior battery runtime

Designed to charge several phones and still gives many hours of light 

PAYG with solid anti- tampering measures

Prevention from unlocking PAYG, anti-theft screws, warranty seal

Bright and highly efficient LED Lamps

2 Lamps with 150lm and 3 dimming levels with 150lm/W guarantee an outstanding system runtime 

Highly efficient battery with superior protection

fosera. uses LiFePO4-batteries, highly efficient and resistant to capacity losses with protection features against short-circuit, over-current and ESD protection, providing a maintenance-free service

System configurations

           SPARK 20 KIT

           x1  SPARK 20
           x1  6 Wp SOLAR PANEL
           x2  LAMP mini 150

           • 24 Wh
           • 300 lm
           • 7:30 hrs Solar runtime

           SPARK 30 KIT

           x1  SPARK 30
           x1  10 Wp SOLAR PANEL
           x3  LAMP mini 150

           • 37 Wh
           • 450 lm
           • 7:10 hrs Solar runtime


Combine the SPARK with our Radio 100 to listen to your favourite local stations, as well as enjoy your own music via USB without compromising the battery runtime of the SPARK due to the low power consumption of this battery powered radio.

SPARK 20 System configuration


SPARK 10 20 30
Battery voltage 3.2 V
Battery capacity 3.8 Ah 7.6 Ah 11.4 Ah
Battery type LiFePO4
System outputs 2x Regular outlets, 1x USB output
System inputs 1x Solar input
Charge controller Overcharge, deep discharge and overcurrent protection
Battery indicator 4-stage battery charge indication
Low energy mode Automatically switches off USB charging
Solar charge indicator The state of charging current from the solar panel is indicated by red, orange and green light
Solar panel specs Max. power 4 Wp 6 Wp 10 Wp
VOC 6.23 V 5.40 V 6.18 V
ISC 0.83 A 1.46 A 1.99A
LAMP specs LAMP mini 100 0.76 W efficiency LED lamp with 100 lm on full level
LAMP mini 150 1.14 W efficiency LED lamp with 150 lm on full level