36V 50Ah (1.92kWh) Essential Series - Bluetooth & Heated LiFePO4 Battery 36V 50Ah (1.92kWh) Essential Series - Bluetooth & Heated LiFePO4 Battery
SKU: 3650A-H
The Epoch 36V 50Ah (1.92kWh) Essential Series - Bluetooth & Heated LiFePO4 Battery gives customers a lithium iron phosphate power option for solar and off-grid power and backup energy storage. It is a strong fit for shoppers comparing dependable LiFePO4 batteries for cleaner energy storage, lighter maintenance, and a more modern replacement path than traditional lead-acid battery setups.
Use this model when you need a 36v, 50ah, 1.92kwh, and essential series that can support mobile, marine, golf cart, backup, or off-grid electrical systems depending on the installation. The description is written for real-world buying decisions: voltage, capacity, fitment, monitoring features, and charging compatibility should all be checked against your existing equipment before purchase.
- Core configuration: 36V, 50Ah, 1.92kWh, and Essential Series
- Best-use applications: solar and off-grid power and backup energy storage
- Notable features: Bluetooth monitoring support and built-in heating for cold-weather charging support
- SKU: 3650A-H
For the best long-term setup, pair this battery with the correct charger, cable sizing, fusing, and voltage-compatible equipment. When comparing models, focus on usable capacity, system voltage, communication features, installation space, and how the battery will be charged day to day.
Compare before you choose
Compare nominal voltage, stored energy, BMS current, temperature protection and communication before sizing a bank.
See the 36V 100Ah (3.84kWh) LiFePO4 Lithium Battery - Bluetooth Heating Waterproof for another Epoch Batteries battery option.
Manufacturer documentation
Use the exact-model manufacturer documents for electrical ratings, installation limits, charging settings and safety instructions.
| 36V 50Ah (1.92kWh) Essential Series - Bluetooth & Heated LiFePO4 Battery | |
| Selected variant SKU | 3650A-H |
|---|---|
| MODEL | |
| Model / SKU | 3650A-H |
| Product Type | Battery |
| ELECTRICAL | |
| Series | Essential Series |
| Battery Type | Heated Bluetooth deep-cycle LiFePO4 battery |
| Chemistry | LiFePO4 / lithium iron phosphate |
| Cell Type | Prismatic LiFePO4 |
| Cell Configuration | 12S |
| System Voltage | 36 V |
| Nominal Voltage | 38.4 V |
| Nominal Capacity | 50 Ah |
| Stored Energy | 1.92 kWh |
| Operating Voltage Range | 30.0-43.8 V |
| Maximum Charge Voltage | 43.8 V |
| Maximum Continuous Discharge Current | 100 A |
| Maximum Continuous Charge Current | 100 A |
| Maximum Charge Current | 120 A for 10 seconds |
| Peak Discharge Current | 130 A for 10 seconds |
| Series Connections | Maximum 1 battery in series |
| Parallel Connections | Maximum 4 batteries in parallel |
| Maximum Parallel Capacity | 200 Ah with four matched batteries |
| Bulk / Absorption Voltage | 42.6-43.2 V |
| Float Voltage | Disabled preferred, or 40.0-40.8 V |
| Re-bulk Voltage | 39.6 V |
| Battery Features | Bluetooth monitoring, Self-heating, LiFePO4 chemistry |
| CONNECTIONS | |
| Bluetooth Monitoring | Compatible with Epoch iOS and Android apps |
| Terminal Type | M8 female |
| PHYSICAL | |
| Dimensions | 13.0 × 6.8 × 9.44 in |
| Weight | 35 lb |
| Case Material | ABS and PC blend with UL94-V0 flame rating |
| OPERATING LIMITS | |
| Cycle Life | 4,000+ cycles |
| Charge Temperature Range | -20°C to 55°C (-4°F to 131°F), with heating |
| Cell Charge Temperature Range | 0°C to 55°C (32°F to 131°F) |
| Discharge Temperature Range | -20°C to 60°C (-4°F to 140°F) |
| Storage Temperature Range | 0°C to 35°C (32°F to 95°F), maximum 12 months |
| Ingress Protection | IP65 |
| Temperature Compensation | 0 mV/°C / none |
| BMS Protection | Overcharge, over-discharge, over-current, short-circuit, and high/low-temperature protection |
| Certifications / Compliance | UL 1642 cells, UL 9540A cells, IEC 62619:2022, CE, and RoHS |
Frequently Asked Questions
Clear answers to common questions about this product, setup, compatibility, and use.


