OUPES Weekly Q&A Vol. 3: Mega Series Battery Safety, Usage & Care Guide

What kind of battery cells are used in the Mega Series, and what safety measures are in place?

All products in our Mega Series are equipped with high-quality LiFePO4 (LFP) battery cells from EVE Energy, one of China’s top lithium battery manufacturers. EVE’s LFP cells incorporate high-temperature-resistant materials and feature a dual explosion-proof design, providing industry-leading performance in both safety and cycle life. 

To ensure uncompromising reliability, every Mega Series product undergoes rigorous testing in extreme environments before leaving the factory and is fully certified with international safety standards. This way, you can use our products with complete peace of mind. 

Are there any key things I should watch out for when using the product?

To ensure a better and safer experience, consider following these tips:

1. Make sure the total power of connected devices does not exceed the rated output to prevent overheating or damage.
2. Keep the unit well-ventilated by not obstructing the vents, and operate it within the recommended temperature range.
3. Check the IP rating and avoid exposing the unit to rain, snow, or sandstorms.
4. Prevent strong vibrations or tipping to avoid potential internal damage.
5. Verify that the plug and socket types are compatible to avoid incorrect connections.
6. When powering multiple devices, turn on high-power devices first to prevent overload.

I regularly carry my Mega Series on uneven or bumpy roads. Is it built to handle that kind of shaking without damage?

The Mega series is designed with outdoor use in mind, so we’ve specially reinforced its protective structure. Each power station features a high-strength plastic shell paired with a robust internal metal frame, providing excellent shock resistance. Inside, the batteries and circuit boards are supported by a suspension system to minimize vibration, while the battery modules are securely fastened with bolts or clips to prevent movement.

Every unit undergoes vibration testing before leaving the factory to ensure that performance is not affected by any movement. For added safety during transport, we recommend securing the device with seat belts or straps to prevent sliding or collisions. 

How should I maintain the device? Are there any do’s and don’ts for cleaning, storing, or charging that help keep it in good shape?

To keep your device in top shape and extend its lifespan, here are a few simple tips:

1. Keep it clean. Regularly wipe the surface with a dry or slightly damp cloth. Avoid using chemical cleaners, and prevent moisture from entering the device. Always power off and unplug the device before cleaning. Additionally, once a month, remove dust from the vents using a soft brush or air blower. Pay attention to any unusual noises, such as rattling or buzzing. 
2. Store it properly. When not in use, keep the device in a cool, dry place. Avoid exposure to direct sunlight, humidity, or extreme temperatures.
3. Use it regularly. If you don’t use the device often, turn it on and perform a light charge and discharge at least once every three months to maintain battery health. 
4. Watch the temperature. For optimal performance, operate and store the device within a temperature range of 50°F to 86°F. Avoid charging or using it in temperatures below 32°F or above 104°F. 
5. Mind your battery level. Try to keep the battery between 50% and 80%. Avoid leaving it fully charged (100%) or completely drained (0%) for extended periods, as this can reduce battery life.

When my Mega is connected to an extension battery, which one charges first? And which one discharges first?

To ensure optimal performance and battery longevity, we have developed a Smart Power Management System that automatically optimizes both charging and discharging processes.

During charging, the system assesses the battery levels of the main unit and the extension battery (referred to SOC - State of Charge) and prioritizes charging the device with the lower charge. For example, if the main unit is at 20% and the extension battery is at 80%, the system will charge the main unit first until both batteries reach a balanced level.

During discharging, the system uses power from the device with the higher SOC first. For instance, if the main unit is at 70% and the extension battery is at 30%, the main unit will supply the power. Once the battery levels become closer, both devices will begin discharging simultaneously to balance the load and protect the batteries.