SKU:
CN VISCC010020060
€ 67,32
1-2 weeks delivery time
Price incl. 19% VAT
Price incl. 19% VAT
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The Victron Blue Duo 20 (Osculati 12.033.04) is a 12V/24V PWM solar charge controller with dual battery charging capability, supporting up to 20A of total current. This DUO version features programmable charge current distribution between two separate batteries, making it ideal for combined starter/house or auxiliary systems. It uses a three-stage charging algorithm (Bulk, Absorption, Float) and includes an internal temperature sensor for voltage compensation. Protection against short-circuit, over-current, and reverse polarity ensures safe operation. Compact and lightweight at 70 × 153 × 37 mm and 0.20 kg.
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Osculati 12.033.04 – Victron Blue Duo 20 Solar Charge Controller – 12/24V, 20A, Dual Battery Charging
The Victron Blue Duo 20 is a versatile solar charge controller designed for systems that require charging of two separate batteries, such as engine and service battery setups. Operating on 12V or 24V, it delivers a total of 20A using a PWM charging algorithm. The charge ratio between batteries is user-programmable, offering full control over distribution. With three-stage battery charging (Bulk, Absorption, Float), it ensures long battery life and performance. Safety is enhanced through protection against short-circuits, over-current, and reverse polarity. An internal temperature sensor dynamically adjusts charge parameters, ensuring optimal operation in various environments.
Item Model System Voltage (V) Max Charge Current (A) Chargeable Battery Banks Dimensions (mm) Weight (kg) Osculati 12.033.04 Blue Duo 20 12 / 24 20 2 70 × 153 × 37 0.20
Key Features:
- Dual battery charging with programmable current ratio
- Three-stage charging algorithm: Bulk, Absorption, Float
- Supports both 12V and 24V battery systems
- Up to 20A total charge current
- Internal temperature sensor for intelligent voltage adjustment
- Short-circuit, over-current, and reverse polarity protection
- Compact and lightweight design – easy to install in tight spaces
Applications:
- Marine systems with starter and service batteries
- Caravans and RVs with dual battery setups
- Remote solar-powered monitoring systems
- Off-grid installations requiring two-battery charge control
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