| Brand | MarsFire |
| Color | Red |
| Material | Lithium cobalt oxide |
| Quantity | 2 |
| Type | Li-ion |
| Model | 18650 |
| Mark Capacity | 2600mAh |
| Actual Capacity | 2600mAh |
| Battery Voltage | 3.7 V |
| Rechargeable | Yes |
| Rechargeable Times | 500 |
| Buitl-in Protected Circuit | Yes |
| Over Voltage Protection | Yes |
| Short-circuit Protection | Yes |
| Over-charging Protection | Yes |
| Over-discharging Protection | Yes |
| Mercury Free | Yes |
| Application | With protection circuit board for safety、 great for flashlight use. |
| Other Features | CE / FCC |
| Packing List | 2 x Batteries |
Dimensions: 2.68 in x 0.71 in x 0.71 in (6.8 cm x 1.8 cm x 1.8 cm)