- Includes Four 21700 Batteries & Dual Battery 3mAh Battery Charger
- 20A High Performance
- Built-in pressure relief valve
- Microporous barrier for heat dissipation
- Built-in PTC for surge protection
- Nickel-plated stainless steel cathode and anode
- Abrasion-resistant coating
- Compatible with lights such as Hybrid Flash and Macro Wide 4300, which requires two high output 21700.
