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Product Information
The SeaLife DC2000 Spare Battery (SL7404) is a 3.7V, 1130mAh, 4.2Wh rechargeable lithium-ion battery built specifically for the SeaLife DC2000 Digital Underwater Camera, delivering 2+ hours of operation per charge and charging right inside the camera through a USB cable and wall charger.
Who it is for
This spare battery is for SeaLife DC2000 owners who want a backup power source on hand for multi-dive days, dive trips, or video and photo sessions that run longer than one battery can handle. Keeping a charged spare in your gear bag means you are not sidelined by a dead battery between dives.
Key details
- Battery type: Rechargeable Lithium-Ion (Li-ion)
- Voltage: 3.7V
- Capacity: 1130mAh
- Energy rating: 4.2Wh
- Runtime: 2+ hours of operation
- Charging method: In-camera charging via USB cable and wall charger
Compatibility and sizing
This battery is designed to fit the SeaLife DC2000 Digital Underwater Camera; only DC2000 compatibility is listed by SeaLife.
DiveCatalog.com is an authorized SeaLife dealer and a dive shop in Irvine, California, serving divers since 2003. Call 888-701-4017 or chat with us if you have questions about fit or compatibility with your DC2000 camera.
- Dedicated fit: Designed specifically for the SeaLife DC2000 Digital Underwater Camera.
- Lithium-ion cell: Rechargeable Li-ion battery rated at 3.7V.
- Solid capacity: 1130mAh capacity for extended shooting time.
- Energy rating: Rated at 4.2Wh.
- Long runtime: Supports 2+ hours of operation per charge.
- Convenient charging: Charges inside the camera using a USB cable and wall charger.
- Backup power: Ideal spare for multi-dive days or extended surface use between dives.
| Brand | SeaLife |
| Model | DC2000 Spare Battery |
| SKU / MPN | SL7404 |
| Barcode | 077068974048 |
| Battery Type | Rechargeable Lithium-Ion (Li-ion) |
| Voltage | 3.7V |
| Capacity | 1130mAh |
| Energy | 4.2Wh |
| Runtime | 2+ hours of operation |
| Charging Method | In-camera via USB cable and wall charger |
| Compatibility | SeaLife DC2000 Digital Underwater Camera |
⚠️ 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
How long does the SeaLife DC2000 Spare Battery last on a charge?
It supports 2+ hours of operation per charge. This makes it a practical backup to carry on multi-dive days or longer shooting sessions with your SeaLife DC2000 camera so you are not stuck waiting for a recharge between dives.
Do I need a separate charger for this battery?
The battery can be charged inside the camera using a USB cable and wall charger. Insert the battery into the DC2000 and connect it to charge.
Will this battery work with other SeaLife cameras?
SeaLife lists this battery (SL7404) for the DC2000 Digital Underwater Camera only. Confirm your camera model before purchasing.
What are the specs of the SeaLife DC2000 Spare Battery?
It is a rechargeable lithium-ion battery rated at 3.7V, 1130mAh, and 4.2Wh, supporting 2+ hours of operation per charge. It charges inside the DC2000 camera via USB cable and wall charger.












