Tesla CEO Elon Musk announced two Powerwall lithium-ion batteries last year: one was a 7kWh (6.4kWh in actuality) version for $3,000; the other a 10kWh version for $3,500. (Prices do not include an AC ...

Typical mid-sized South African households looking to keep key appliances powered during load-shedding up to stage 6 should buy at least a 5kWh lithium-ion battery. MyBroadband asked several reputable ...

If Tesla does one thing, it is change. It seems that it is ceaseless effort to improve that drives the company. Tesla has stated that it makes around 20 changes to the Model S every week. This means ...