Havensis Bidirectional DC DC Battery Charger (Boost Mode)

Product features

The purpose of this device is to provide full and safe charging of the rear life batteries (GEL-AGM-WATERY-LITHIUM) from the vehicle alternator/starter battery and to charge the starter battery from the life battery. Thanks to its 3-stage charging function and current limiting feature, it can adjust the battery voltage level and pass a constant current of up to 30 amps, regardless of the alternator voltage and current.

In Booster Charging Mode, it can charge the vehicle's starter battery from the life batteries. It can adjust the battery voltage level and pass constant current up to 3 amperes. In this way, self-discharge of the starter battery is prevented when camping and staying for a long time or in vehicles parked in the parking lot, and thanks to the device, it remains constantly charged.

Boost Charge Mode

While the life batteries of caravans or boats are charged by solar panel or from the network, the device transfers the excess energy to the starter battery of the vehicle when the life batteries are full or reach the voltage you set. When the voltage of the life battery falls below the desired value, the device stops making backup charging and does not drain the life batteries. In this way, both battery groups are charged safely.

The device has the feature of limiting current in both directions while charging.

In booster charging mode, no more than 3 Amperes of current are drawn from your life battery, it does not pass more than 3 Amps even during cranking, and it protects your life batteries against excessive discharge current.

All Parameters Programmable

Battery charging algorithm (configurable)
Compatible with All Alternators (including Euro5 and Euro6): Automatically detects engine start/stop
3-stage adaptive charging algorithm: Bulk -Absorption-Float
For lead acid batteries, it is important to keep the absorption time short to prevent the battery from overcharging in low-discharge situations. After deep discharge, the absorption time is automatically increased to ensure the battery is fully recharged.
The absorption/equilibrium charging time for lithium batteries is fixed at 2 hours.
All voltage levels and current limitation can be adjusted on the screen.
It senses that the engine is running and then starts charging the starter batteries and cuts off the charge when the engine stops, not draining/protecting the starter battery.
Display/Control Panel Connection

Device-independent control and adjustment can be made via the screen
All models are short-circuit protected and can be connected in parallel to increase output current
An unlimited number of devices can be connected in parallel.
High temperature protected
The output current drops at high ambient temperature.
screw terminals
No special tools are required for installation. It can be easily installed.
Reverse Connection Input/Output Fuse (Replaceable)
single device

In Alternator Charging Mode

Input:12V | Output:12V - 30A
Input:24V | Output:12V - 30A
Input:12V | Output:24V - 15A
Input:24V | Output:24V - 30A
It can work in every function.

In Boost Charge Mode

Life Battery: 12V Starter Battery: 12V - 3A

Life Battery: 24V Starter Battery: 12V - 3A

It can work in every function.

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