SJ Andrews Electronics

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SJ Andrews Electronics

S.J. Andrews Electronics design, develop and manufacture a broad range of electronic components for u

04/06/2026

Heavy industrial and mining operations require standby energy hardware capable of withstanding constant physical vibration and high ambient temperatures. The Changhong 48400 battery Lithium Iron Phosphate system features a robust mechanical design that isolates cells from physical impacts. Read our full article. https://sjandrews.co.za/high-capacity-industrial-energy-storage-the-changhong-48400-lifepo4-system/

02/06/2026

For clinics in remote SADC regions, these cells offer a sustainable alternative that can be replenished using solar power systems. A single Energizer NiMH 2000mAh AA battery replaces hundreds of single use cells, significantly reducing procurement cycles and environmental waste. https://sjandrews.co.za/high-performance-power-with-the-energizer-nimh-2000mah-aa-battery-for-south-african-industry/

Contact our sales team at our Sandton factory today. https://sjandrews.co.za/contact-us/

28/05/2026

High volume logistics hubs cannot afford downtime. Handheld barcode scanners create significant pulse loads that can cause alkaline batteries to fail prematurely. The Energizer NiMH 2000mAh AA battery is engineered to handle these high current bursts of up to 4000mA without catastrophic voltage drops. By implementing a recharge strategy with the Maxi Charger, warehouse managers can maintain continuous throughput and reduce total cost of ownership. Read more about optimising your supply chain. https://sjandrews.co.za/high-performance-power-with-the-energizer-nimh-2000mah-aa-battery-for-south-african-industry/

26/05/2026

Precision in medical diagnostics requires a power source that delivers constant performance. The Energizer NiMH 2000mAh AA battery is the preferred choice for otoscopes and ophthalmoscopes because it provides the steady voltage needed for true tissue colour rendition. Its advanced leak resistant design protects expensive clinical instruments from the corrosion often caused by traditional dry cell batteries. For clinics in remote SADC regions, these cells offer a sustainable alternative that can be replenished using solar power systems. Read more on our blog. https://sjandrews.co.za/high-performance-power-with-the-energizer-nimh-2000mah-aa-battery-for-south-african-industry/

Reach out to our team for a battery solution. https://sjandrews.co.za/contact-us/

21/05/2026

Safety in the South African mining sector depends on the accuracy of handheld gas detectors. The Energizer NiMH 2000mAh AA battery provides a stable 1.2V discharge plateau, ensuring that sensitive sensors remain calibrated throughout a 12-hour shift. Unlike alkaline cells, these batteries maintain a low internal resistance, preventing voltage sag during high current demands. This reliability is essential for protecting the workforce. Read our full article on our website. https://sjandrews.co.za/high-performance-power-with-the-energizer-nimh-2000mah-aa-battery-for-south-african-industry/

Call to Action: Contact our Marlboro factory to discuss wholesale supply for your mining operations. https://sjandrews.co.za/contact-us/

12/05/2026

Precision engineering meets industrial scale. The SJ Andrews NICD Cylindrical D Size High Temp Battery is the cornerstone of our custom-manufactured power packs. With dimensions of 32 mm by 59 mm and the ability to operate across extreme thermal ranges, these cells are the ideal choice for medical diagnostics and remote utility monitoring. Our Sandton factory specialises in designing tailored solutions that meet the specific energy profiles of South African businesses.

Contact our technical specialists for a quote. https://sjandrews.co.za/contact-us/

07/05/2026

Off-the-Shelf Batteries Aren't Built for Your Custom Challenges. We Are. Standard power solutions often fall short when faced with unique footprints, extreme temperatures, or safety-critical performance requirements. At SJ Andrews, we bridge that gap by manufacturing custom NiCd battery packs tailored to your exact industrial specifications.

It’s about more than just putting cells together, it’s about engineering for the long haul. A custom pack is only as good as the maintenance strategy behind it.

Read our article https://sjandrews.co.za/the-sj-andrews-nicd-cylindrical-d-size-high-temp-battery-for-industry/

05/05/2026

Is your emergency lighting truly compliant with the OHS Act? Frequent power outages put immense stress on backup power, but the SJ Andrews NICD Cylindrical D Size High Temp Battery is built for these exact conditions. While lead-acid alternatives often fail in high-ambient-heat ceiling voids, our high-temperature NiCd cells maintain their cycle life and voltage integrity.

Explore the compliance benefits of NiCd technology on our website. https://sjandrews.co.za/the-sj-andrews-nicd-cylindrical-d-size-high-temp-battery-for-industry/

01/05/2026

Happy Workers' Day from SJA.

30/04/2026

Underground safety systems require more than just a battery; they require a guarantee. The SJ Andrews NICD Cylindrical D Size High Temp Battery offers 4000 mAh of dependable energy within a rigid steel canister designed to withstand the physical vibrations of trackless mining machinery. With a stable 1.2V discharge curve, this technology ensures that signalling and communication remain online during critical outages. Read how our high-temperature variants protect personnel in the subterranean sector.

Visit our website to view the full article on mining safety power. https://sjandrews.co.za/the-sj-andrews-nicd-cylindrical-d-size-high-temp-battery-for-industry/

Address

41 Fourteenth Street, Marlboro
Sandton
2090

Website

http://www.sjandrews.co.za/

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