DClimate Lithium Pro™ is TRANSTEX’s next-generation auxiliary power solution, engineered with advanced lithium-ion technology for maximum efficiency, ultra-quiet operation, and minimal maintenance. Designed for modern fleets, it delivers extended runtime, faster charging, and custom OEM integration—keeping drivers comfortable while enhancing ROI through built-in residual value.

Delivers efficient cooling, heating, and airflow with advanced temperature control, LiFePO₄ battery, and variable-speed compressor—all in a lightweight 270 lb system. Espar heater included. See full specs table below for complete details.

Limited Warranty:
2-yr parts & labor, 4-yr major component limited, 5-yr LiFePO4 battery
*Standard Espar warranty applies.
Customized configurations for all major OEMs.
Freightliner Cascadia illustrated.

DCLIMATE LITHIUM PROTM Training Materials

Lowest Total Cost of Ownership

Designed with a 10-year system life, enhanced residual value, and minimal maintenance, the DClimate Lithium Pro™ helps fleets reduce replacement and service costs. It also improves starting battery life with a transferable battery module.

Maximized Runtime, Minimized Idle

Delivering 15% more available energy per cycle, it extends industry-leading runtimes and supports full hotel loads without idling

Bidirectional Charging

It transfers charge between Li-ion and starting batteries while supporting wet-cell and AGM batteries. The system protects battery life and virtually eliminates costly over-the-road jump starts.

Lighter Weight

With a 150 lb weight reduction, it improves fuel efficiency and increases payload capacity for greater operational benefits.

Product Specifications

7500 BTU/hr (2.1 kW), heating capacity
400 CFM, airflow
+/- 2F Temperature control
4-60 Amps @ 12Vdc
48Vdc Variable speed compressor
320 Amp Delco Remy brushless alternator
5.12 KWH LiFePO4 battery
Espar S3 D2 diesel fired air heater*
270 lbs, system weight including batteries
Limited Warranty:
2-yr parts & labor, 4-yr major component limited,
5-yr LiFePO4 battery

* Standard Espar warranty applies.
Customized configurations for all major OEMs.
Freightliner Cascadia illustrated.

PRODUCT Testimonials

What our clients say about the DCLIMATE LITHIUM PROTM

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DClimate: Supporting Maintenance & Reliability

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DClimate: Powerful, Simple, and Compact

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DClimate : Beyond Financial ROI

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DClimate: For Optimal Performance On The Road

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DClimate: Enhancing the Driver Experience

DClimate: Supporting Maintenance & Reliability

Johnny Branstine breaks down how DClimate electric APUs have met and exceeded expectations for maintenance planning, uptime, and long-term reliability for National Carriers.

DClimate: Powerful, Simple, and Compact

Allan Dahringer, Director of Maintenance at Mesilla Valley Transportation, describes how the DClimate electric APU embodies power, simplicity, and compactness; three key qualities that make all the difference for his fleet.

DClimate : Beyond Financial ROI

Matt McLelland, Vice President of Sustainability and Innovation Strategy at Covenant Logistics—a valued DClimate customer— discusses how the DClimate eAPU enhances social responsibility, recruitment, and sustainability efforts for his fleet. Discover why he considers this product essential for every truck on the road.

DClimate: For Optimal Performance On The Road

Dan Porterfield, Senior Vice President of Maintenance & Equipment Control at Covenant Logistics, discusses how TRANSTEX’s innovative line of aerodynamic products enhances fuel economy and reduces carbon emissions. As a TRANSTEX customer for over 15 years, he explains why he trusts our products to meet his fleet’s needs and ensure optimal performance on the road.

DClimate: Enhancing the Driver Experience

Allen Walters, Vice President of Asset Management at Covenant Logistics, explains how the DClimate eAPU can drive value for your fleet while enhancing the driver experience. As a valued and long- standing DClimate customer, find out why Covenant’s dedicated fleet is equipped 100% with DClimate systems.