IDwiz - Solutions
IDwiz is now building Solar and Backup "Trommels"
The Solar Trommel is ideal for off-grid to run a TV and comes with a solar panel.
The Backup Trommel is ideal for load shedding and can drive a TV or a computer.
These devices make use of a Lithium Iron Phosphate (LiFePO4) battery. These batteries are far more reliable and have a much longer lifespan than the Lead Acid batteries traditionally used.
Both devices are supplied with a 12V DC lamp and have USB charger sockets to charge cellphones.
Selwyn's solar system saves about 25% of the electricity bill:
Selwyn has also changed all the lights in his house to LED lights. This has reduced his electricity bill by about 14 units per day, and about R500 per month.