Epoch Batteries
Epoch Batteries 12V 300Ah Pro Series Dual-Purpose LiFePO4 Battery
The Epoch 12V 300Ah Pro Series battery is a true dual-purpose powerhouse, delivering massive deep-cycle energy storage and serious engine-cranking muscle in a standard Group 8D footprint. With a staggering 1,000A peak discharge, 300A continuous output, and built-in Bluetooth monitoring with OTA updates, it seamlessly runs heavy inverters and starts compatible marine engines up to 350HP.
Engineered for the harshest marine environments, this IP67 waterproof battery features internal self-heating for reliable sub-zero charging and native Victron CANBUS integration for closed-loop communication. Backed by an 11-year warranty and over 6,000 cycles, it’s the ultimate drop-in upgrade for boats, RVs, and off-grid systems demanding uncompromising power and longevity.
| Brand | Epoch Batteries |
| Model Number | DP12300H |
| Chemistry | LiFePO4 |
| Nominal Voltage | 12.8V |
| Capacity | 300Ah |
| Energy | 3.84kWh |
| Max Continuous Discharge Current | 300A |
| Max Continuous Charge Current | 300A |
| Peak Discharge Current | 1,000A (5 sec) |
| Battery Management System | Yes (Over Voltage, Under Voltage, Over-Current, Short Circuit, Over/Under Temperature) |
| Bluetooth Monitoring | Yes (iOS & Android App with OTA Updates) |
| Internal Heating | Yes (Self-Heating for Sub-Zero Charging) |
| IP Rating | IP67 (Dust-tight & Submersible up to 1m) |
| Cycle Life | 6,000+ Cycles |
| Series Connection | Up to 4 (48V Max) |
| Parallel Connection | Up to 16 |
| Cell Configuration | 4S3P |
| Max Charge Voltage | 15.4V |
| Operating Voltage Range | 10.0 - 15.4V |
| Charge Temperature Range | -4°F to 131°F (-20°C to 55°C) with heating |
| Discharge Temperature Range | -4°F to 140°F (-20°C to 60°C) |
| Storage Temperature | 32°F to 95°F (0°C to 35°C) |
| Length | 19.7 in |
| Width | 10.5 in |
| Height | 9.75 in |
| Weight | 81 lbs |
| Group Size | 8D |
| Certifications | UL1973, RoHS, CE |
| Warranty | 11 Years |
| Application | Marine, RV, Off-Grid, Cranking & Deep Cycle |