Marelux 21700 5000mAh Protected Rechargeable Battery

The Marelux 21700 Rechargeable Battery provides high-capacity, high-discharge power designed to run demanding underwater video lights and strobes, such as the Marelux Artemis and Lumiflux series. Built with integrated safety features, this lithium-ion cell delivers consistent energy output for long dive days while protecting against common electrical hazards.

Key Specifications

• Capacity: 5000 mAh typical (4900 mAh minimum)
• Nominal Voltage: 3.7V
• Discharge End Voltage: 2.5V
• Continuous Current: 20A standard charge / 30A maximum discharge
• Protection Circuit: Built-in protection against overcharge, over-discharge, overcurrent, and short-circuiting
• Dimensions: 75 mm (L) × 21.5 mm (D)
• Weight: 68 g

Note: Due to the integrated protection board, this cell is slightly longer than standard unprotected 21700 batteries. Verify battery compartment tolerances for non-Marelux equipment prior to use.