Kraken Sports 21700 Rechargeable Battery (5000mAh USB-C)
By Kraken Sports | High-Capacity 5000mAh 3.6V Power Cell | Part Number: B-21700
Keep your underwater imaging and primary dive lights powered longer with the genuine Kraken Sports 21700 5000mAh Rechargeable Battery (SKU: B-21700). Engineered as the official OEM power source for Kraken's high-output lighting systems—including the Hydra 1500, NR-1500, NR-1500Z, NR-1800, and Ring Light 3000 V2—this 3.6V lithium-ion cell packs a massive 5000mAh (18Wh) capacity into a compact form factor. Featuring an integrated USB-C charging port right on the battery casing, you can recharge directly between dives using any standard USB-C cable—eliminating the need to carry bulky external chargers on travel trips.
Key Features & Battery Technology
- Massive 5000mAh Power Capacity: Delivers extended burn times (18Wh at 3.6 VDC) to keep video lights and primary torches shining brightly throughout multi-dive days.
- Direct USB-C Charging Port: Plug any USB Type-C cable directly into the battery for fast, hassle-free charging at home, in the vehicle, or on liveaboards.
- High-Discharge Power Delivery: Engineered to supply up to 9.8A continuous and 15A peak discharge for flicker-free, high-lumen output in demanding video lights.
- Genuine OEM Quality: Official Kraken replacement cell ensures full device compatibility, optimal safety protection, and preservation of factory light warranties.
- Travel-Ready Backup: Lightweight and compact—ideal to keep pre-charged in your dive bag as a quick swap-out spare during surface intervals.
Technical Specifications
| Battery Format & Chemistry | 21700 Rechargeable Lithium-Ion (Li-Ion) Cell |
| Capacity & Voltage | 5000 mAh / 18 Wh | 3.6 VDC |
| Charging Method | Direct On-Battery USB Type-C Port (Cable not included) |
| Current Discharge Rates | 9.8A Continuous | 15A Peak Output |
| Weight | Approx. 73 g (2.6 oz) |
| Official Compatibility | Kraken Hydra 1500 / 1500+WSR, Hydra 1800+WSR, NR-1500, NR-1500Z, NR-1800, NR-1800Z, Ring Light 3000 V2, KR-S80 Flash, KRM06 V3 Monitor |
Kraken Sports Gear at IDC Vancouver: Visit International Diving Centre at 2865 West Broadway in Vancouver to pick up spare Kraken 21700 batteries, charging accessories, and test our full line of Kraken video lights, strobes, and macro optics!
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