Best Backup Power Supply Summary

Power Supplies

• Cyberpower va 1500 units: Generally reliable backup power supplies, ensure it has replaceable batteries.
• Liebert Powersure or APC UPS: These brands are commonly used for backup power supplies in offices and are known to be reliable over time.
• USB-PD Adapters: A good option for backup power, especially as USB-PD capabilities become more popular.
• DTDR ADP-120RH B: A standard 19V/6.32A/120W PSU brick commonly used for ASUS laptops. Costs around $35 USD.

Pros and Cons

• Cyberpower va 1500 units:

  • Pros: "just make sure it has replaceable batteries", "fine for daily tech use", provides backup power for PCs.
  • Cons: May need battery replacements every 3-5 years.

• Liebert Powersure or APC UPS:

  • Pros: "If up time is critical you may want to consider a backup router", good for office use, reliable backup power.
  • Cons: May be more expensive than other options.

Powerwall Systems

• PW2 and PW3: Powerwall systems with varying capacities and output capabilities.
• Marine Batteries for UPSs: Considered more reliable and longer lasting than normal UPS batteries.

Pros and Cons

• Powerwall Systems:

  • Pros: Provide significant backup power, configurable for different electrical setups.
  • Cons: Might require multiple units for high power needs, could be expensive for large setups.

• Marine Batteries for UPSs:

  • Pros: More durable and longer lasting.
  • Cons: Could be considered more hazardous due to components used.

General Tips and Comments

• Double-check the compatibility of power supplies for voltage, wattage, and barrel size.
• Consider the power needs of your devices when choosing a backup power supply.
• Ensure the backup power solution is safely and professionally installed to avoid hazards.

These recommendations cover a range of backup power supply options from basic UPS units to advanced Powerwall systems, providing a variety of choices based on different needs and requirements.