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When your power source fails, everything else follows. Whether you're running critical appliances during a grid outage, keeping your RV comfortable on a winter mountain pass, powering a remote job site, or simply living the off-grid life you've built from scratch the battery in your system isn't just a component. It's the backbone of your entire operation.
The Epoch Batteries 12V 334Ah (4.28kWh) Essential Series Bluetooth & Heated LiFePO4 Battery was engineered to be that backbone: rugged, intelligent, and built to perform when conditions get uncomfortable and excuses aren't an option.
With a massive 334Ah of capacity, integrated self-heating, real-time Bluetooth monitoring, and seamless Victron communications, this is the battery that serious power users have been waiting for. It's not just storage it's a smart, scalable energy platform designed to grow alongside your setup.
At Outbound Power, we don't just carry batteries we specialize in complete portable and backup power solutions for homeowners, RVers, off-grid adventurers, and mobile businesses. Our team has hands-on experience with the systems and use cases that matter most to our customers, and we stand behind every product we carry.
The built-in heater warms the battery automatically in cold weather. You can safely charge it down to -4°F without any damage. Perfect for winter camping, cold job sites, or freezing nights off the grid.
Connect via Bluetooth on iOS or Android to see live voltage, charge level, and temperature. No guessing, no tools needed just open the app and know exactly what your battery is doing.
The 2A active balancing system finds and fixes voltage gaps between cells automatically. This keeps your battery running at full strength and helps it last much longer than batteries without this feature.
Plug it into your Victron setup and it connects automatically no manual setup needed. Batteries talk to each other in a chain, giving you full control and visibility across your entire power bank.
With 300A continuous and 600A peak output, this battery handles heavy loads easily. Air conditioners, power tools, and inverters run smoothly without any voltage sag or slowdown even when demand spikes suddenly.
Need more power? Simply connect up to 16 of these batteries in parallel. Your system grows with your needs whether it's a small RV setup today or a full home backup system tomorrow.
With 4,500+ charge cycles and an 11-year manufacturer warranty, this battery is a one-time investment. It outlasts lead-acid batteries by years and saves you money on replacements over the long run.
Epoch Batteries provides a limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
Epoch Batteries 12V 334Ah (4.28kWh) Essential Series Specifications |
|
|---|---|
| Cell Configuration | 4S1P |
| Chemistry | LiFePO4 |
| Ah Capacity | 334Ah |
| Max Continuous Discharge Current | 300A |
| Max Charge Current | 300A |
| Max Discharge Peak Current | 600A (10 Seconds) |
| Series / Parallel Configuration | Max (16) in Parallel |
| Voltage | 12.8V |
| Max Charge Voltage | 14.6V |
| Operating Voltage Range | 10.0V – 14.6V |
| Charge Temperature Range | -20°C to 55°C (-4°F to 131°F) with heating |
| Discharge Temperature Range | -20°C to 60°C (-4°F to 140°F) |
| Storage Temperature | 0°C to 35°C (32°F to 95°F) |
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