Nu-Calgon 4781-01 – Turbo Tank 2.0 Rechargeable Battery
Upgrade your Turbo Tank 2.0 system with the Nu-Calgon 4781-01 Rechargeable Battery, engineered for HVAC professionals who demand portability and reliability. This high-capacity lithium-ion battery ensures uninterrupted rinsing performance for cleaning coils, condensers, and evaporators on rooftops, wall-mount units, and other hard-to-reach areas.
Key Features & Benefits:
- Direct OEM replacement battery for the Nu-Calgon Turbo Tank 2.0 portable rinsing system.
- High-performance lithium-ion design provides consistent power delivery and longer runtime.
- Quick-swap design allows seamless replacement without tools or adjustments.
- Fast-charging capability reduces downtime between uses.
- Lightweight and durable construction built for field environments.
- Extended service life ensures sustained water pressure and system efficiency.
- Ideal for HVAC technicians, contractors, and maintenance professionals who rely on the Turbo Tank 2.0 for portable coil rinsing.
Technical Specifications:
- Part Number: 4781-01
- Type: Rechargeable Lithium-Ion Battery
- Compatibility: Turbo Tank 2.0 (Model 4781-00)
- Voltage: 18 V DC (nominal)
- Runtime: Up to 40 minutes per full charge
- Charging Time: Approximately 60 minutes
- Weight: 1.8 lb (0.82 kg)
- Dimensions: 5.5 in (L) × 3.2 in (W) × 2.5 in (H)
Replacing an aging or depleted battery helps maintain optimal water pressure and spray consistency in your Turbo Tank 2.0 system. A spare or backup battery ensures continuous operation during extended service calls, preventing job interruptions and maximizing productivity.
Summary:
The Nu-Calgon 4781-01 Turbo Tank 2.0 Rechargeable Battery is the essential power source for maintaining the performance and convenience of your portable rinsing system. Keep your HVAC cleaning operations efficient, mobile, and reliable with genuine Nu-Calgon replacement components.


