My opinion on double conversion units is pretty clear, but for those that still want a low voltage Online Double Conversion 3000 120 volt system, a quick summary is provided.
Brand | Powerware | Tripplite | APC | Liebert |
Make | PW9125 | SmartOnline | Smart RT | GXT2 |
Sku | p9312 | to313 | 313g3 | lg312 |
Size | 2U / Tower | 3U | 3U / Tower | 2U /Tower |
Wattage | 2100 | 2400 | 2100 | 2100 |
PDU Ready(1) | Yes | Yes | No (4) | Yes |
Battery (2) | 504 | 504 | 960 | 504 |
Comments | Lots of proven performance. Rock solid design. |
Often the best value, especially for longer runtime needs |
The most popular. Alot more base runtime included |
Best unit for generators. Also great for frequency changing |
Price(3) | $599 | $679 | $899 | $664 Sept '14 sale $599 |
- Whether it includes a twistlock port for connection of PDUs, such as L5-30P
- Battery VAH capacity, which relates to runtime
- Prices as per Sept '14, subject to change
- Look for the 313g4tL unit for twistlock backplate