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Open Box SeaLife Li-Ion Battery for Sea Dragon Lights

SeaLife  |  SKU: SEAL-SL9831+OB
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Condition Note

May be missing original packaging and minor blemishes (not noticeable after 1-2 dives). This product does not carry a valid manufacturer warranty.

Product Conditions

  • Open Box: This product is Open Box. It is generally unused, either returned by a customer or displayed in our showroom, and may have minor, unnoticeable blemishes. Original packaging may be damaged or missing.


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Product Information

Lithium Ion Battery for Sea Dragon Lights

Rechargeable lithium ion battery (7.4 volt, 3400 mAh, 25Wh) for Sea Dragon Fluoro-Dual Beam, 1200, 1500, 2000, 2100SF, 2300 Auto, 2500, and 3000 Auto Photo/Video/Dive Lights. Includes protective cap.

Keep a spare batter

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Frequently Asked Questions

Which Sea Dragon lights work with the SL9831 battery?

The SL9831 fits all Sea Dragon photo/video lights under 4000 lumens, including Fluoro-Dual Beam, 1200F, 1500F, 2000F, 2100SF, 2300F Auto, 2500F, 3000SF Pro, 3000F Auto.

Do I need a separate charger for this battery?

Yes. The SL9831 battery requires the Sea Dragon charging tray (SL98311) and the Sea Dragon AC power adapter (SL98312) to recharge. Both accessories are sold separately and are not included with the battery.

Can this lithium-ion battery be shipped by air?

No. SeaLife states that air shipping is not available for this battery.

What is the difference between the battery's rated and typical specs?

SeaLife publishes two figures: a rated output of 7.2V, 3400mAh, 24.48Wh, and a typical output of 7.4V, 3500mAh, 25Wh.