Overview
The CHASING E-Reel is a powered tether management system for CHASING underwater ROVs. It automatically winds and lays the tether evenly, handling up to 200 m of cable. A built-in 4800 mAh battery powers three adjustable take-up speeds, retracting 200 m in as fast as 220 s (or 3–9 minutes depending on speed). The unit is IP65 waterproof, weighs 3.5 kg, and measures 296 × 189 × 279 mm—portable for boat or shore operations. It can complete >30 automatic take-ups per full charge and supports manual retract/unwind via the included crank.
Key Features
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200 m capacity, fast auto take-up – 3 speed levels; fastest ~220 s for 200 m.
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Automatic level-wind – 14 stainless-steel bearings, aluminum-alloy synchronous belt drive, and reciprocating lead-screw for smooth, anti-tangle spooling.
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Battery powered & long endurance – 4800 mAh pack; >30 cycles per charge and >300 charge cycles design life.
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IP65 waterproof – splash-proof for safe use on deck or shore.
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Manual backup – detachable hand crank for manual retracting/unwinding if needed.
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Compact & portable – 3.5 kg with integrated carry handle.
Compatibility (Select the model used for)
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GLADIUS MINI S
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CHASING M2 S
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CHASING M2 PRO
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CHASING M2 PRO MAX
Specifications
| Item | Value |
|---|---|
| Max storage length | 200 m tether |
| Take-up speeds (200 m) | Fast ~220 s / Low ~9 min (3 gears adjustable) |
| Battery capacity | 4800 mAh |
| Runtime per full charge | >30 automatic take-ups |
| Charge cycle life | >300 cycles |
| Waterproof rating | IP65 |
| Operating temperature | -10 °C to 45 °C |
| Dimensions (L×W×H) | 296 × 189 × 279 mm |
| Weight | 3.5 kg |
| Charger power | 25.2 V 1.5 A / 2.9 A |
| Charging time | ≈4 h |
| Winding method | Powered auto level-wind + manual crank |
What’s in the Box
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CHASING E-Reel ×1
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Manual joystick / crank ×1
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3 m buoyancy cable ×1
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Adapter cable, power adapter & transfer cable ×1 set
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Information packet ×1
Use Cases
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Fast deployment/retrieval for inspections, aquaculture, search & rescue, hull checks, and scientific surveys.
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Keeps tether neat, reduces tangles, and shortens turnaround times between dives.
Notes
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Designed for CHASING-brand ROV systems listed above.
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Tether and ROV are sold separately (unless otherwise stated in a bundle).
Details

The CHASING E-Reel is easy to use, reeling in the tether within 3-9 minutes. It can be used over 30 times on a single charge, eliminating manual winding hassle for enjoyable underwater exploration.

Anti-blast automatic wiring design with 14 stainless steel bearings, aluminum alloy belt drive, and stainless steel lead-screw for smooth, explosion-proof operation.

Introducing the E-Reel, a convenient and efficient underwater exploration tool. It supports up to 200 meters of cable and has three adjustable gears for take-up speed, with the fastest time being 220 seconds.

IP65 waterproof, safe for shore or ship use, yellow and black design with control buttons.

The E-Reel features a 480mAh large capacity battery, exceeding industry standards. It can be fully discharged 30 times. Additionally, it includes manual retraction and winding capabilities.

E-Reel specifications: 296 x 189 x 279 mm, 3.5 kg, 200m storage, 4800 mAh battery, over 300 cycles, 30-minute runtime, 3-speed winding, 220s/9min take-up, -10°C to 45°C operation, 25.2V charger, 4-hour charge time.

CHASING E-reel, Manual joystick, 3m buoyancy cable, Adapter cables, Information packet
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