TRUCKCOOL 12V APU A3: 400-800 Ah Start-Stop Lithium Battery + 10000 BTU Cab Air Conditioner
Model: A3
Complete parking air conditioning system, including Group 31 Start-Stop lithium batteries and optional accessories, featuring 5-10 hours of continuous operation.
Key Features
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TRUCKCOOL A3 Start + APU syetem
One Bank, Two Critical Jobs Say goodbye to bulky dual battery banks with the TRUCKCOOL A3 Series—the game-changing 2-in-1 APU system that handles both engine cranking and cabin cooling with a single Group 31 battery setup. Designed for Class 8 trucks looking to save weight, space, and maintenance time, this system delivers reliable cooling performance while prioritizing dependable engine starts, no matter how long you run the AC.
Air Conditioner Specifications
| Model | Cooling Capacity | Runtime | Battery Config | Capacity | System Type |
|---|---|---|---|---|---|
| A3114 | 10,000 BTU | 5 hrs | 4 * G31 | 400Ah | Start + APU All-in-One |
| A3116 | 10,000 BTU | 8 hrs | 6 * G31 | 600Ah | Start + APU All-in-One |
| A3118 | 10,000 BTU | 10 hrs | 8 * G31 | 800Ah | Start + APU All-in-One |
The A3 Series’s core strength lies in its smart dual-purpose technology. Each LiFePO4 battery module features a UL-certified BMS with a dedicated Smart-Crank function that automatically reserves high-amperage power for starting your engine, eliminating the risk of being stranded with a dead battery. With Bluetooth monitoring, you can track real-time state of charge, current draw, and battery health right from your phone, simplifying diagnostics and maintenance. Weighing 50–70% less than equivalent lead-acid setups, it frees up valuable frame rail space for toolboxes or aerodynamic upgrades. Whether you’re a compliance-focused fleet operating in CA or NY, or an owner-operator looking to streamline your rig’s electrical system, the A3 Series offers unbeatable simplicity, safety, and efficiency.
Battery Core Technology & Features
- ✅ True 2-in-1 Dual-Purpose Design: One Group 31 battery provides powerful cranking amps and true deep-cycle eAPU power. Simplify your system and reduce weight by 50-70% compared to a 3-4 lead-acid battery bank
- 📱 Smart Bluetooth Monitoring: Use our mobile app to see real-time state of charge (SOC), current draw, and overall battery health. Diagnose electrical issues quickly—is it the alternator or the battery?—right from your phone
- 🛡️ Advanced Battery Management System (BMS): UL-certified cells are protected against over-charge, over-discharge, short-circuit, and high temperatures, ensuring maximum safety and longevity for your vehicle and investment
- 🔗 Seamless System Integration: Need more runtime? The TRUCKCOOL B13 can be connected in series or parallel. It can even be paired with an existing lead-acid or AGM battery if needed, offering ultimate flexibility
Battery Technical Specifications
| Specification | Value |
|---|---|
| Voltage | 12V |
| Cell Type | LiFePO4 (UL Certified) |
| Energy Capacity | 1.28 kWh (100Ah) |
| Max Starting Current | 2400A |
| Max Continuous Discharge | 150A |
| Operating Temperature | -40°F to 149°F (-40°C to 65°C) |
| Weight | 30 lbs (13.5 kg) |
| Dimensions | Group 31 |
| Ingress Protection | IP67 (Dustproof & Waterproof) |
| Communication | Bluetooth & CAN |
TRUCKCOOL APU A3 can be paired with TRUCKCOOL Inverter I3.
Related FAQs
🆚 Is an electric APU really better than a diesel APU?
Yes. For modern fleets, it's the smarter, more profitable choice.
While diesel APUs have a long runtime, they come with constant costs. Our electric APUs offer a superior alternative:
| Feature | Our Electric APU | Traditional Diesel APU |
|---|---|---|
| Fuel Cost | ✅ Zero | ❌ Constant diesel consumption |
| Maintenance | ✅ Virtually None | ❌ Regular oil & filter changes |
| Emissions | ✅ Zero (100% Compliant) | ❌ Polluting & regulated |
| Noise Level | ✅ Whisper-Quiet | ❌ Loud & disruptive |
| Weight | ✅ Significantly Lighter | ❌ Heavy & bulky |
❄️ What is an Electric APU?
It's your key to zero-idle comfort, lower costs, and happier drivers.
An Electric APU (Auxiliary Power Unit) is a battery-powered system that runs your truck’s air conditioning, heating, and other onboard electronics without needing to idle the main engine. Our systems use advanced 12V Lithium Iron Phosphate (LiFePO₄) batteries to provide clean, quiet, and reliable power when you're parked.
📜 How do your APUs help with CARB and other state idling regulations?
They make compliance effortless. Turn off your engine, turn on the APU, and you're 100% legal.
Our battery-powered APUs produce zero emissions, making them fully compliant with the strictest anti-idling laws, including those from the California Air Resources Board (CARB) and regulations in states like Illinois, New York, and Texas. With our system, you avoid thousands of dollars in potential fines.