Crest Electrical Engineering LTD

01/12/2025

Happy New Month from Crest Electrical Engineering!
As we step into a new month, we appreciate your trust in our services. We remain committed to delivering safe, reliable, and innovative electrical solutions. May this month bring progress, productivity, and success to all your projects.

25/11/2025

01/10/2025

Happy Independence Day.

12/08/2025

12/08/2025

Installation of 3.5KVA Transformer base inverter with 80A charge Controller, two 220Ah tubular batteries and six 605watt panels.

18/03/2025

The Depth of Discharge (DoD)refers to the percentage of a battery's capacity that has been used, i.e., how much of the total energy stored in the battery has been depleted.

Lead-Acid Batteries:
- Typical DoD: Lead-acid batteries generally have a recommended DoD of 50%. This means you should use no more than half of the battery’s total capacity to prolong its lifespan. Deeper discharges, such as 80% DoD, can significantly reduce the number of charge cycles and shorten the battery’s life.

Lithium-Ion Batteries:
- Typical DoD: Lithium-ion batteries can typically handle a deeper discharge without as much degradation. Their recommended DoD is around 80-90%. Many lithium-ion battery management systems will prevent you from discharging them below this level to protect the battery and extend its lifespan.

In summary, lithium-ion batteries are more efficient and durable when it comes to handling higher DoD, while lead-acid batteries require more conservative discharge limits to avoid damage.

14/03/2025

We are thrilled to announce to you that we have moved to a new location.
Saico Plaza opposite former gate 3 just after the flyover, close to the market. Shop number C11.

28/01/2025

There are three main types of solar panels:

1. Monocrystalline Solar Panels:
- Made from a single crystal structure, these panels are known for their high efficiency and longevity. They typically have a black appearance and are the most efficient type available, performing well in limited space.

2. Polycrystalline Solar Panels:
- These panels are made from silicon crystals that are melted together, which gives them a bluish color. They are less efficient than monocrystalline panels but tend to be more affordable.

3. Thin-Film Solar Panels:
- Made by placing photovoltaic material on a substrate like glass, metal, or plastic, thin-film panels are lightweight and flexible. They are less efficient than crystalline panels, but they can be cheaper and work better in low-light conditions.

Each type has its pros and cons, depending on factors like cost, space, and energy needs.