Battery Cell 21700 x 4, High Capacity Rechargeable Power Pack, Scuba Diving and Underwater Lighting Gear

Battery Cell 21700 x 4

The 21700 x 4 Battery Cell Pack delivers high-capacity, long-lasting power for dive lights that require a four-cell configuration. Available at Scuba School of America, this rechargeable battery set provides strong, stable energy output ideal for night diving, underwater photography, and extended exploration.

• Quad 21700 Configuration – Offers higher energy capacity than standard 18650 cells, supporting powerful and long-duration light performance.
• Rechargeable and Reliable – Built for repeated charge cycles, ensuring dependable power for frequent diving.
• Consistent Energy Delivery – Helps maintain optimal brightness throughout your entire dive.
• Compatible with Select Dive Lights – Designed specifically for models requiring the BATCELL21700X4-B battery configuration.
• Ideal for Travel or Backup – Compact design makes it easy to pack as a primary or spare battery for multi-dive days.