Battery Backup Time
The exact amount of backup time provided will vary depending on the UPS model being used, number of batteries, condition of the batteries and other factors. However, the chart below gives the times that can be expected from the standard units with batteries in good condition. For longer runtime options contact your Toshiba sales representative or the Toshiba marketing department at
Table 1 - Backup Time as a % of rated load*
UPS Model | 100% | 75% | 50% | 25% |
1500 VA** | 13 min | 22 min | 35 min | 65 min |
2000 VA** | 10 min | 17 min | 25 min | 53 min |
2400 VA | 7 min | 12 min | 20 min | 44 min |
*Times given are approximate and will vary depending on the age of the batteries, the battery temperature, the number of previous discharges and the type of load.
**Products are under development, specification may change.
Battery Recharge Time
The following table gives estimates of the time required to recharge the UPS’s batteries. The recharge time may vary depending on the battery temperature, the age of the batteries, and other factors.
Table 2 - Battery Recharge Time*
Unit | Batteries |
1500 VA | 3 ½ hours |
2000 VA | 3 ½ hours |
2400 VA | 3 ½ hours |
* Recharge times are to 90% full capacity.
24 | 1800 Series User Manual |