The Epoch 48V 50Ah LiFePO4 Battery is a powerful and rugged energy solution designed for marine, RV, and off-grid applications. With 3500+ cycle life, high-discharge capability, and an IP67 waterproof rating, it’s built to perform reliably in harsh environments. Lightweight yet durable, this 48V battery delivers consistent power for trolling motors, electric boats, solar storage, and more. It’s the perfect combination of safety, efficiency, and longevity for demanding energy systems.
Epoch 48V 50Ah LiFePO4 Battery | 3500 Cycles | IP67 Rating | Marine Battery Features
3500+ Cycle Life
Delivers long-term performance and value with over 3,500 cycles at 80% depth of discharge.
IP67 Waterproof Rating
Fully sealed and submersible, ideal for marine environments and wet outdoor conditions.
High Discharge Rate
Supports continuous 100A output and up to 200A for 30 seconds, ideal for high-power applications.
Lightweight & Compact
At just 50 lbs, this battery delivers high energy density in a compact footprint for space-limited installs.
LiFePO4 Chemistry
Stable, safe, and efficient, with integrated protection against overcharge, over-discharge, and overheating.
Epoch 48V 50Ah LiFePO4 Battery | 3500 Cycles | IP67 Rating | Marine Battery Applications
Trolling motors and marine vessels – Waterproof design ensures reliable power on the water
Electric boats and watercraft – High output supports powerful propulsion systems
Off-grid solar storage – Excellent for cabins, tiny homes, and backup systems
RV and vanlife systems – Lightweight and safe for mobile energy setups
Battery banks – Scalable for 48V storage systems with parallel capability
Industrial and commercial use – Ideal for forklifts, AGVs, and heavy-duty battery needs
What’s Included?
1x Epoch 48V 50Ah LiFePO4 Battery
- User Manual
Warranty
11-Year Manufacturer Warranty
Epoch 48V 50Ah LiFePO4 Battery | 3500 Cycles | IP67 Rating | Marine Battery Specifications
| Nominal Voltage | 51.2V |
| Nominal Energy @ 0.2C | 2.56 kWh |
| Nominal Capacity @ 0.2C | 50Ah |
| Internal Resistance @ 1kHz AC | ≤30mΩ |
| Charge Voltage Range | 56.8V |
| Float Voltage Range | 54.4 ~ 55.2V |
| Allowed Max Charge Current | 100A (150A @ 10s) |
| Recommend Charge Current | 50A |
| Allowed Max Discharge Current | 100A (150A @ 30s) |
| Recommend Discharge Current | 100A |
| Short Circuit Protection | 500A @ 500μs |
| End of Discharge | Inverter/Load cut off: 44.8V |
| BLVD | 40.0V |
| Re-connect Voltage | 48.0V |
| Communication | Bluetooth, CAN, RS485 |
| Parallel and Series Connection | Support: Max. 4 in Parallel and Max. 4 in Series |
| Terminal and Torque | M8 bolt | 8–12 N·m |
| IP Rating | IP67 |
| Operation Temperature (Charge) | -20～60℃ (with heating) |
| Operation Temperature (Discharge) | -20～60℃ |
| Operation Altitude | <3000m |
| Self-Discharge Rate | ≤3%/month |
| Storage Environment | ≤6 months: 0℃<T<30℃ ≤3 months: -10℃<T<45℃ |
| Recommend Environment | 15～35℃ | 5～75% RH |
| Cycle Life | >3500 cycles @ 80% DOD |
| Cell Configuration | 16S |
| Chemistry | LiFePO4 |
| Ah Capacity | 50Ah |
| Max Continuous Discharge Amps | 100A |
| Max Charge Current Amps | 150A (10 Seconds) |
| Max Discharge Peak Current Amps | 150A (30 Seconds) |
| Series / Parallel | Max 2 in Series | Max 4 in Parallel |
| Weight (lbs) | 66 |
| Dimensions | |
| Length | 14.75' |
| Width | 15.25' |
| Height | 11.5' |
Frequently-Asked Questions
Is this battery safe to use on boats or in wet conditions?
Yes, it has an IP67 waterproof rating, meaning it's fully sealed and can handle water exposure, splashes, and even brief submersion.
Can I connect multiple batteries in parallel or series?
Yes, you can connect up to 2 in series (to 96V) or 4 in parallel for expanded capacity.
Does the battery come with a built-in BMS?
Yes, it features an integrated Battery Management System for protection against overcharge, over-discharge, short circuit, and thermal issues.