| Power Source | 2,600 mAh Lithium Polymer Battery | 4,400 mAh Lithium-ion Battery | 5,200 mAh Lithium-ion Battery | 5,200 mAh Lithium-ion Battery | Lighter Fluid (not included) | Lighter Fluid (not included) |
|---|---|---|---|---|---|---|
| Heat Duration | Up to 3 hours | Up to 6 hours | Up to 9 hours | Up to 9 hours | Up to 6 hours | Up to 12 hours |
| Includes Pouch | Not included | Not included | Not included | Not included | ✓ | ✓ |
| Dimensions: | 3.63" x 0.59" x 1.63" | 4.25" x 0.95" x 1.73" | 4.8" x 2.4" x 0.95" | 4.8" x 2.4" x 0.95" | 2.9" x 2" x 0.6" | 3.9" x 2.6" x 0.5" |
| Weight: | 2.2 oz. | 5.01 oz. | 5.5 oz. | 5.5 oz. | 1.8 oz. | 2.6 oz. |
| Battery & Heat Digital Display | Not Included | Not Included | Not Included | ✓ | Not Included | Not Included |
| USB Ports | 1 | 1 | 1 | 2 | N/A | N/A |