How to Choose the Right DC-DC Charger: PDC25 vs IDC25X

When you're planning a dual battery setup, choosing the right DC-DC charger is important. Projecta offers two strong options in the 25A category, both equipped with built-in MPPT solar control: the PDC25 (PRO-CHARGE) and the IDC25X (INTELLI-CHARGE).

Both deliver dependable 25A output, but they’re engineered for different environments and user priorities. This comparison breaks down the key differences to help you choose the right fit for your setup—whether you're touring on weekends or heading into rugged terrain and needing complete control and monitoring.

Watch this quick one-minute video for a visual overview of how the PDC25 and IDC25X stack up:

PDC25: Straightforward Power for Everyday Setups

The Pro-charge 25Amp DC-DC charger (PDC25) is designed to deliver solid performance with minimal complexity. It’s an ideal solution for everyday touring, trades, and DIY installations.

Key Features:

1. Built-in MPPT solar controller for efficient solar charging
2. Pre-wired harness for simplified installation
3. Designed to handle engine bay temperatures and vibration
4. Compatible with multiple battery chemistries including AGM, Gel, Calcium, and Lithium
5. Offers reliable three-stage charging logic to prolong battery life

Who it's for:

The PDC25 is suited to users who want a reliable, easy-to-install charger that supports solar input without requiring advanced setup or diagnostics. Ideal for utes, 4WDs, and general touring vehicles.

IDC25X: Advanced Power for Harsh Conditions & Total User Control

The Intelli-Charge 25Amp DC-DC charger (IDC25X) is the heavy-duty solution for demanding applications and users who require complete control and monitoring. Designed with advanced protection, intuitive monitoring, and mounting flexibility, it’s ideal for extreme environments.

Key Features:

1. Total user control and monitoring when paired with the Intelli-IQ 2” Display (IQD2)
2. Integrated MPPT solar regulator for maximised solar charging
3. Full performance maintained in high temperatures up to 75°C – ideal for under-bonnet installation
4. Waterproof and dustproof (IP68 & IP69K) for complete environmental protection
5. Mount anywhere — in-cabin, under bonnet, canopy, or chassis
6. Supports all major battery types with intelligent 3 & 5-stage charging logic

Who it's for:

Designed for off-roaders, remote area travellers, commercial operators, and anyone who needs smart, durable charging in rugged environments.

Comparison Table

Feature

PDC25 (PRO-CHARGE)

IDC25X (INTELLI-CHARGE)

Output

25A

25A

Monitoring

Basic fit and forget

Monitor and control via IQD2 Smart Display

MPPT Solar

Yes

Yes

Installation

Pre-wired harness

Flexible, custom mounting

IP Rating

IP67

IP68 & IP69K

Battery Compatibility

All common types

All types + advanced control

Best Use Case

General touring and trade use

Harsh off-road, commercial, fleet

Making the Right Choice

Choose the PDC25 if you want:

1. Quick and easy installation
2. Reliable performance in typical touring conditions
3. Built-in MPPT solar charging without added complexity

Choose the IDC25X if you need:

1. High performance in heat, water, and dust
2. Flexibility in mounting and installation location
3. Smart diagnostics and integration with modern vehicle systems
4. Complete user control and monitoring

Find the Right DC-DC Charger for Your Setup

Both models are excellent 25A DC-DC chargers with MPPT solar control, but their differences make them suitable for different user needs and budgets.

• Learn more about the PDC25
• Explore the features of the IDC25X