Description
🔋 Epoch 12V 105Ah Heated Bluetooth LiFePO₄ Battery (Model 12105A-H)
Built for Harsh Environments. Designed for Smart Power.
The Epoch Essentials 12105A-H is a technologically advanced, high-performance LiFePO₄ (Lithium Iron Phosphate) deep cycle battery designed for energy independence in any condition—including freezing temperatures. With an integrated heater, smart Bluetooth diagnostics, and an ultra-stable LiFePO₄ chemistry, this battery is optimized for solar, RV, marine, off-grid, and backup power applications.
🧰 Core Features
🔥 Integrated Heating System
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Auto-heating for cold-weather charging: Enables safe charging down to –20°C (–4°F).
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Automatically activates when charging in low temps, preventing damage from cold charging.
📱 Bluetooth Communication
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Compatible with the Epoch Li-Ion app for iOS and Android.
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Real-time monitoring of voltage, current, temperature, SoC, cycle count, and more.
⚡ High Performance & Safety
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Max Discharge: 105A continuous / 200A peak (10s).
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Max Charge: 100A continuous / 200A peak (10s).
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Built-in BMS (Battery Management System) for:
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Over/under-voltage protection
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Over-current protection
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Short circuit protection (600A @ 500µs)
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Over/under-temperature protection
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Cell balancing
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🌡️ Wide Temperature Range
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Operating temp: –20°C to 60°C (–4°F to 140°F)
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Storage temp: 15°C to 35°C (59°F to 95°F)
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Altitude limit: < 3000m (9842 ft)
🧪 Technical Specifications
| Category | Detail |
|---|---|
| Nominal Voltage | 12.8V |
| Capacity (0.2C) | 105Ah (1.34 kWh) |
| Chemistry | LiFePO₄ (Lithium Iron Phosphate) |
| Cycle Life | >4000 cycles @ 80% DOD |
| Internal Resistance | ≤ 30mΩ @ 1kHz |
| Charge Voltage | 14.2V |
| Float Voltage | 13.6–13.8V |
| Low Voltage Disconnect | 10V |
| Reconnect Voltage | 12V |
| Max Charge Current | 100A |
| Max Discharge Current | 105A (200A @ 10s) |
| Recommended Charge Current | 50A |
| Recommended Discharge Current | 100A |
| Short Circuit Protection | 600A @ 500µs |
| Communications | Bluetooth, CAN Bus, RS485 |
| Self-Discharge Rate | ≤ 3% per month |
| Ingress Protection | IP54 |
| Terminal Type | M8 (Torque: 20–35 Nm) |
| Weight | 10kg (22 lbs) |
| Dimensions (L×W×H) | 259×167×218 mm (10.19×6.57×8.60 in) |
| Max Series Connection | 4 (up to 51.2V) |
| Max Parallel Connection | 4 (up to 420Ah) |
🔧 Installation & Use
✅ Mounting
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Upright installation only
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Ensure good ventilation and a dry, shaded area
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Avoid direct sunlight and temperature extremes
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Keep battery accessible for maintenance
🔌 Connection Options
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Series: Voltage increases, Ah remains same (e.g., 4× batteries = 48V 105Ah)
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Parallel: Voltage same, capacity increases (e.g., 4× batteries = 12V 420Ah)
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Series-Parallel: Combine both for scalable 24V/36V/48V systems
🔗 Busbar Preferred
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Use busbars for multi-battery setups to balance charge/discharge paths and reduce resistance
🔋 Charging Parameters
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Bulk/Absorption Voltage: 14.2V
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Float Voltage: 13.6–13.8V
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Compatible Chargers: Must support LiFePO₄ profiles
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Initial Charge: Fully charge before first use
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Charge Temp Range: –20°C to 60°C (heater enables cold charging)
Note: Android 10+ requires location permissions enabled for Bluetooth scanning in the Epoch app.
🧼 Maintenance Best Practices
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Inspect terminals and case monthly
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Clean with a soft cloth and non-corrosive solution
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Tighten connections (20–35Nm) but avoid over-torque
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Keep logs of voltage and temperature for long-term health monitoring
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Store at 50% SoC if idle for extended periods
🛑 Safety & Compliance
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Only use LiFePO₄-compatible chargers
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Avoid exposure to open flames or water
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Charge and discharge within specified current and voltage ranges
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Use proper fuses/circuit breakers rated at 125–150% of max operating current
🧭 Ideal Applications
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Off-Grid Solar Systems
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Marine & RV Power
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Vanlife and Overlanding
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Emergency Backup Systems
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Remote Telecom, Lighting, Surveillance
🛡️ Warranty
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11-year limited warranty
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Covers manufacturing defects under normal use
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Proof of purchase and adherence to manual required for claims
Final Word
Whether you’re powering your off-grid homestead in sub-zero winters, keeping your RV lit and climate-controlled, or ensuring backup power during outages, the Epoch Essentials 12105A-H delivers uncompromising safety, intelligence, and reliability. Backed by a powerful warranty and built for the long haul, it’s a battery you can count on—year after year.
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