Bluewater Photo 21700 Batteries for BWP-1500 or BWP-3000 Lumen Focus Light

The Bluewater Photo 21700 6000 mAh battery is a high-capacity, rechargeable lithium-ion (Li-ion) battery with a specific size, voltage, and energy. It's a 21700 cell with a 6000mAh capacity, a nominal voltage of 3.6V, and an energy rating of 21.6 Wh (\(21.6\) Watt-hours).

The "21700" refers to its dimensions: approximately 21mm in diameter and 70mm in length, though the specific dimensions can vary slightly between manufacturers.

These batteries are recommended for the Bluewater Photo 3000 Video Light, or the Bluewater Photo 1500 Focus Light (with the addition of the replacement tail extender)

Key features for the Bluewater 21700 Rechargeable Battery

• Capacity: 6000mAh, providing a long runtime in compatible devices.
• Voltage: 3.6V nominal voltage.
• Energy: 21.6 Wh, which is calculated by multiplying the nominal voltage by the capacity (\(3.6V\times 6Ah=21.6Wh\)).
• Size: The "21700" standard is larger than the older 18650 battery, allowing for a higher capacity.
• Rechargeable: These are rechargeable batteries that can be cycled for a significant number of times, often over 500 charges.
• Safety: Many 21700 batteries feature built-in protection circuits and other safety mechanisms against overcharging, over-discharging, and short circuits.
• Applications: Due to their high capacity and energy density, they are used in high-drain devices like flashlights, power tools, electric bicycles, and other electronic equipment.