****Item on Pre Order for Delivery JULY 2026*****
Introducing the Xplorer PolarMax 640Ah Lithium Battery
Power. Performance. Perfection.
Designed to meet the demands of modern energy solutions, the Xplorer PolarMax 640Ah Lithium Battery is your ultimate power partner for leisure, off-grid, and commercial applications. Packed with cutting-edge technology, it’s engineered for reliability, longevity, and peak performance.
Key Features
- Massive Capacity & Energy Output: 640Ah capacity delivering a powerful 8192Wh of energy.
- Unmatched Cycle Life: Up to 4000 cycles at 100% depth of discharge (DOD), ensuring years of dependable performance.
- Advanced Lithium Iron Phosphate (LiFePO4) Chemistry with Active Cell Balancing: Stable, safe, and efficient.
- Built-in Bluetooth Connectivity: Monitor real-time battery stats via a user-friendly app.
- Integrated Heating System: Charge confidently in low temperatures with the built-in heater, ensuring optimal performance down to -20°C.
- High Discharge & Charge Rates: Handles up to 250A maximum discharge and 100A maximum charge for high-demand applications.
- Active Cell Balancing: Ensures optimal performance and longevity by equalizing the charge across all cells, preventing overcharging or undercharging of individual cells.
- Durable & Compact Design: Housed in robust ABS plastic, measuring a compact 640mm x 245mm x 220mm and weighing just 54kg.
Why Choose Xplorer PolarMax?
- Built for Extreme Conditions: Operates seamlessly in temperatures from -20°C to 60°C.
- Superior Safety Features: Includes overcurrent, over-discharge, and temperature protection for worry-free use.
- Sustainably Engineered: Powered by Grade A prismatic cells & JBD BMS, ensuring top-tier quality and performance.
- Versatile Applications: Perfect for off-grid setups, leisure vehicles, marine use, and more.
Specifications at a Glance
- Nominal Voltage: 12.8V
- Maximum Charge Voltage: 14.6V
- Discharge Cut-Off Voltage: 10-12V
- Cycle Life: 8000 cycles max
- Certifications: UN38.3, MSDS, CE, UL
Experience the PolarMax Difference
Unlike many suppliers who lack insight into the quality and grading of their cells, Alpha Batteries has been deeply involved in every step of the development process. With our extensive experience and trusted manufacturer relationship, you can trust the Xplorer PolarMax to deliver unmatched reliability and performance.
Upgrade to the Xplorer PolarMax 640Ah Lithium Battery today and power your adventures with confidence. Whether you’re living off the grid, exploring the open road, or running critical systems, this battery is your trusted companion.
Order now and experience the future of energy storage!
| Height (mm) | 219 |
|---|---|
| Length (mm) | 640 |
| Width (mm) | 245 |
| Active Cell Balancing | Yes |
| Application | Industrial, Leisure |
| BMS | JBD BMS |
| Bluetooth Enabled | Yes |
| Brand | Xplorer™ |
| Capacity (Ah) | 640 |
| Certification | UN38.3 & CE |
| Charging Temp | -20℃~55℃ |
| Construction | Lithium(LiFePO4) with Heating & Bluetooth |
| Discharge Temp | -20~55℃ |
| Energy | 8192WH |
| IP Class | IP30 |
| Ideal Charge Voltage | 14.4V – 14.6V |
| Lithium Cell Type | Grade A EVE lifePO4 Prismatic UN38.3; ROHS; IEC62619; UL1973; UL9540A |
| Maintenance Free | Yes |
| Max Discharge Current | 250A |
| Paralell Connection | Yes – 4 max |
| Product Type | Battery |
| Recharge Cycles | 3500 |
| Recommended Charge Current | 50A Min – 200A Max |
| Series Connection | Yes – 4 max |
| Subzero Charging | Yes, Self Heating |
| Suitable for wild camping? | Yes |
| Terminal Layout | Positive on Left (Layout 1) |
| Terminal Size | 8mm Nut and Bolt Supplied |
| Terminal Type | Bolt Through Terminals (Type 2) |
| Voltage | 12V |
| Warranty (Years) | 10 |
| Weight (kg) | 54 |




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