Description
A HULK 4X4 DC-DC battery charger for dual battery systems. It charges your auxiliary battery from the alternator while you drive. Pair it with a dual battery tray and a lithium battery for a complete setup.
Hulk Professional DC-DC Battery Charger 12/24V 15A
Reliable Multi-Stage Charging for Your Auxiliary Battery System
The Hulk Professional DC-DC Battery Charger is designed for efficient and intelligent charging of auxiliary batteries in 12V and 24V vehicle systems. With automatic input selection, multi-stage charging, and compatibility with multiple battery types, this charger ensures reliable power management for off-road, camping, and heavy-duty applications.
Key Features:
- Automatic Input Selection – Alternator or DC-based input switching with no manual intervention required.
- 7-Stage Multi-Chemistry Charging – Supports Lead-Acid, GEL, AGM, Calcium, and Lithium auxiliary batteries.
- Dual Charging Modes – Compatible with standard and smart variable voltage alternators.
- Wide Voltage Input – Accepts 11V – 32V for use with 12V and 24V vehicle systems.
- IP67 Rated – Fully sealed to prevent dust and water ingress, ideal for harsh environments.
- Temperature Resilient – Operates safely between -20°C and +85°C.
Technical Specifications:
| Technical Details | Specifications |
|---|---|
| Input Voltage | 12V / 24V (11V – 32V Range) |
| Output Voltage | 12V |
| Charge Current | 15A |
| Charging Stages | 7-Stage Multi-Chemistry |
| Battery Compatibility | Lead-Acid, GEL, AGM, Calcium, Lithium |
| Alternator Compatibility | Fixed & Variable Voltage (Smart Alternators) |
| Ingress Protection | IP67 (Dust & Water Resistant) |
| Operating Temperature | -20°C to +85°C |
| Solar Input | Not Included |
| Bluetooth Connectivity | Not Included |
| Maximum Battery Capacity | Not Suitable for Batteries Over 200Ah |
Note: This charger does not support solar or Bluetooth input and is not suitable for batteries over 200Ah.
Fitting
Our Melbourne workshop can install this for you. Contact us for a fitted quote.
About this DC-DC battery charger
A DC-DC battery charger takes power from your alternator (and solar on dual-input models) and charges your auxiliary battery with the correct multi-stage profile, which is essential for modern smart alternators and lithium batteries.
Why buy from Adventure 4x4 Parts
- Australia-wide delivery from Melbourne
- Professional fitting available at our Melbourne workshop
- Real 4WD advice before you buy. Contact us to check fitment
- Secure checkout, with Zip buy now, pay later
See more dual battery systems or browse the full 4WD accessories range.
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