1. Hold 2 standard 18650 batteries.
2. Wire Length: 15 cm.
3. Output: 7.2v.
4. Dimension (Appro.) : 76 x 40 x 20 mm
5. Weight: 12gm
6. High-quality plastic material
1. Holds 4 AA batteries
2. With a cover and fixed screw
3. Dimensions mm (LxWxH): 70 x 64 x 18
4. Weight: 32 gm
5. Material: Plastic
6. Internal Connection: Series
