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SJ Andrews Electronics

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

16/06/2026

Wishing you all a Happy Youth Day from SJA.

15/06/2026

Product engineering dictates asset longevity. The Changhong Lfeli-48400 operates on a 48V architecture with an integrated Battery Management System that provides automatic protection against overcharging, short circuits, and over-current faults. The system minimises voltage drops during heavy transient draws. Read our full review. https://sjandrews.co.za/high-capacity-industrial-energy-storage-the-changhong-48400-lifepo4-system/
Contact our sales team at SJ Andrews Electronics to secure your inventory buffer. LINK TO CONTACT US

11/06/2026

Uninterrupted power is critical for automated agricultural irrigation, cold-chain refrigeration, and remote telecom base stations across the SADC region. The Changhong Lfeli-48400 delivers a high continuous operating current threshold, enabling it to handle the demanding start-up surges of water pumps and compressor units. Learn more. https://sjandrews.co.za/high-capacity-industrial-energy-storage-the-changhong-48400-lifepo4-system/

09/06/2026

With municipal electricity tariffs rising across South Africa, commercial operators must look beyond simple grid backup. The Changhong Lfeli-48400 allows businesses to store grid or solar energy during off-peak windows and discharge during premium high-demand hours. Contact the sales desk at SJ Andrews Electronics for comprehensive product data sheets. https://sjandrews.co.za/contact-us/

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/

Address

41 Fourteenth Street, Marlboro
Sandton
2090

Website

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

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