Fluid warmers dimensions, weight and battery characteristics
| Fluid warmer | Buddy Lite | enFlow | Thermal angel | Warrior |
| Disposable weight (g) | 26 | 32 | 259 | 120 |
| Battery weight (g) | 449 | 996 | 563 | 883 |
| Operating weight* (g) | 767 | 1383 | 982 | 1790 |
| Battery output voltage (volts) | 14.4 | 12 | 28 | 21.6 |
| Battery energy capacity (Watt hour) | 89 | 66 | 30 | 99 |
| Warming method | Heated plate | Induction | Heated tube | Heated tube |
*Operating weight—total weight of unit, disposable and battery.