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Why don’t my batteries charge fast enough in Stage 6?

Jan 25, 2024

Home / Blog / Why don’t my batteries charge fast enough in Stage 6?

Welcome to our comprehensive guide on optimising your solar system’s performance, especially considering the challenges posed by Stage 6 load shedding. In this article, we will delve into the intricacies of slower battery charging during Stage 6 load shedding and explore strategies to enhance the efficiency of your solar setup.

Explanation of Lithium Batteries and Solar Connection:

During Stage 6 load shedding in South Africa, characterised by alternating four-hour power-offs and two-hour power-ons, lithium batteries face unique challenges in achieving full charge. Unlike traditional lead-acid batteries, lithium batteries offer high efficiency and rapid charging capabilities. However, the intermittent power supply during load shedding disrupts their charging process as these batteries thrive on consistent and prolonged power. Without a solar connection, lithium batteries rely solely on grid power for charging, discharging during load shedding, and requiring recharging once power is restored. The four-hour off, two-hour on cycle can hinder these batteries from reaching their full charging potential.

Setting Your Battery Priorities:

Configuring your battery settings correctly is crucial for optimal battery charging. You have two common options: prioritize for load shedding or prioritize for cost-saving. During non-load shedding periods, consider setting your battery percentage low, typically between 30-40%, depending on your battery size. Conversely, if load shedding is anticipated, a higher setting of 70-90% is recommended. Your battery can still charge during load shedding with sufficient sunshine on your panels, ensuring uninterrupted power during outages.

Load Shedding Management:

With correctly configured solar panels, intervention during load shedding should be unnecessary. The inverter automatically prioritises power distribution based on your preferences, ensuring a seamless experience during these events. This efficient management system enables optimal battery charging without external adjustments.

Addressing Battery Discharge Concerns During Stage 6 Load Shedding:

If your system is properly configured with solar panels, intervention during load shedding should be unnecessary. The inverter automatically prioritises power distribution based on your preferences, ensuring a seamless experience during these events. This efficient management system enables optimal battery charging without requiring external adjustments.

Understanding Solar Charge Priority:

Exploring the solar and charge priority bell curve reveals that solar panels operate most efficiently during direct sunlight, achieving peak performance from early morning until midday. Despite changes in solar angle throughout the day, these optimal conditions are crucial for maximising solar panel efficiency. So, when you feel the warm sun or even get a sunburn, know that your solar panels are operating at maximum efficiency.

Inactivity During Good Sun Conditions:

If your panels seem inactive in good sunlight, it’s likely because the inverter won’t force power unless there’s a demand from appliances. When your batteries are full and your home is using minimal power, solar panels may idle—a normal behavior indicating energy-efficient operation.

Troubleshooting and Change Over:

In case of a system malfunction, such as a failing inverter or battery, switch the changeover to ‘grid’ or ‘Eskom’ and contact us immediately. However, if the grid is off and your batteries are depleted, wait for the grid to return or for the sun to recharge your batteries before seeking assistance. This step ensures a smoother transition and avoids unnecessary complications.

Conclusion:

By grasping these dynamics and fine-tuning your solar system settings, you can navigate Stage 6 load shedding more effectively. For further questions or concerns, feel free to contact our team for personalised assistance. Here’s to optimising your solar setup for a more resilient and efficient energy experience, even amidst challenging load shedding conditions.