Knowledge Base/Q&A - Powerbank

What types of batteries are generally used in Powerbanks?

A>Powerbanks primarily use lithium-ion batteries, which come in two main types: cylindrical lithium-ion batteries and thin, flat lithium-polymer batteries.

Are there any powerbanks that are both compact and have a high capacity ?

A>For lithium-ion battery power banks on the market, their size is generally proportional to their battery capacity.

Who needs a Powerbank?

A>Powerbanks are primarily designed for occasional use when your phone’s battery is low, providing a temporary boost. It’s recommended to choose a Powerbank with a suitable capacity and size for easy portability. Prioritize safety and quality over sheer capacity and charging speed.

Can I leave my Powerbank plugged in after it’s fully charged?

A>dvalo Powerbanks have built-in safety features that automatically cut off power when fully charged. However, it’s generally recommended to unplug the device for safety reasons.

How can we ensure the safety of our devices while charging?

A>Apart from having high-quality chargers or powerbanks, you also need high-quality charging cables. Both are equally important. While there are indeed potential risks associated with cheap charging products, there’s no need to panic excessively. As long as we maintain a high level of safety awareness, choose products from reliable manufacturers or sellers, follow the correct usage instructions, and pay attention to safety guidelines, we can minimize risks.

Using a Powerbank with a low-voltage 5V USB port to charge devices like phones versus a 220-240V wall charger, and it won’t cause electric shock ?

A>While the voltage of a 5V USB port is lower, theoretically, as long as the current exceeds 1A, it can lead to painful or fatal consequences, and even death. The lethal current in amperes can vary from person to person and is affected by many factors. So, the key to preventing these risks is to address the safety issues of charging accessories that are causing the root of the problem.

With large-capacity power banks of 10,000mAh, 20,000mAh, and even 30,000mAh being sold so cheaply, why should I consider buying a product with a smaller battery capacity with a small price gap ?

A>The cost of a product is influenced by a multitude of factors, including the quality of materials used and safety features implemented. High-quality products, due to their stringent design and construction standards, inevitably incur higher costs compared to cheaper alternatives.

The primary purpose of a powerbank is to provide a temporary charge for electronic devices when a power outlet is unavailable. Once you return home, you can fully recharge your devices. Consumers should select a powerbank based on their specific needs, considering factors such as capacity, size, and weight. Having a sufficient capacity is important, but there’s no need to prioritize the largest capacity or the fastest charging speed.

In reality, high-current or high-voltage fast charging technologies, when used with low-quality chargers and cables, pose significant safety risks. This is especially true for consumers who prioritize speed and convenience over safety and are unwilling to pay a premium for quality.

Additionally, larger capacity powerbanks carry a higher risk of catastrophic failure in the event of an accident. An explosion from a larger capacity powerbank can have devastating consequences. Therefore, it is essential to prioritize safety and avoid taking unnecessary risks.

Can I leave my powerbank plugged in after it’s fully charged ?

A>Our dvalo brand chargers, including powerbanks, are designed to automatically stop charging once the battery is full. They also incorporate various safety protection circuits. However, for optimal safety, we still recommend unplugging the charger after the power bank is fully charged.

What can cause a Powerbank to explode or catch fire?

A>The primary causes of powerbank explosions or fires are often attributed to defective, low-quality batteries or flaws in the safety circuit design. The use of problematic, cheap electronic components or a lack of safety circuit protection can also contribute to these incidents. In fact, a battery that doesn’t appear swollen may still be unsafe, as it could have underlying issues. Additionally, poor-quality batteries can overheat and ignite if subjected to excessive heat.

That’s why our company’s dvalo powerbank product not only incorporates various safety circuit protections but also selects high-cost, high-safety batteries from reputable brands like Panasonic and LG to ensure the safety and reliability of our products. This might be exclusive in the Malaysian market. In reality, batteries from different manufacturers vary in design and safety mechanisms. It’s been reported that even powerbanks bearing well-known international brands, which are also manufactured by contract manufacturers, may not use expensive, branded batteries due to cost considerations. Panasonic and LG are major battery suppliers for renowned electric vehicles like Tesla.

What precautions should be taken when using a powerbank ?

A>To avoid overheating the battery, try not to charge it multiple times within a short period and avoid using your device while it is charging.

Additionally, to minimize the risk of accidents, store it in a cool, ventilated place. Avoid exposing it to direct sunlight, high humidity, open flames, or water. Also, prevent it from being crushed by heavy objects or subjected to excessive vibration or shaking.