(083) 452 3882


BSI Renewable Energy is the South African leader in Telecom and Deep Cycle battery rejuvenation.
Is it possible to say reliable and rejuvenated batteries in the same sentence? With us you can!

Welcome to BSI Renewable Energy

We have been working with the leading Telecommunication companies for the last 10 years and has vast experience in every leading Deep cycle battery brand used by the leading telecom companies in South Africa. We have processed over 50 000 units and saved our clients millions of rands over the years.

We decided to bring this vast amount of experience to the business and private market that want to make use of affordable backup energy.

Our Products


Batteries Processed

Our Services

Apart from selling quality rejuvenated batteries, our technology and knowledge also enable us to provide the following services to Telecom, commercial, Industrial clients and private clients:

These services include:


Battery Recovery

We recover lost capacity of underperforming batteries that are still in operation.


Battery Rejuvenation 

We rejuvenate batteries to working capacity that are not in service due to low & no voltage at all; Reasons for low to no volt may include prolonged periods of time in storage etc.



Safe Disposal

We Safe dispose all lead acid and Lithium Ion batteries.

Companies We Work With: