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【BOX DAY SALES】WattCycle - 12V 628Ah Ultra LiFePO4 Battery with Bluetooth

【BOX DAY SALES】WattCycle - 12V 628Ah Ultra LiFePO4 Battery with Bluetooth

$2,499.99 NZD
$3,999.99 NZD $2,499.99 NZD
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Free shipping, tax and discount code calculated at checkout.
  • • Compact Design: 480 × 362 × 242 mm | 69.85 kg
  • • Massive Capacity: 628Ah (12.8V) | ~8kWh energy storage in a single unit.
  • • Equivalent: 2-parallel 12V 314Ah
  • • High Energy Density: 3X weight energy density of lead-acid batteries, ideal for RVs and ships.
  • • Ultra-Long Cycle Life: 6,000+ cycles at 80% DoD—outperforming standard LiFePO4 batteries.
  • • High Power Output: Continuous 300A discharge (3,840W) for heavy-duty inverters and equipment.
  • • Smart Bluetooth Monitoring: Real-time voltage, SoC, temperature, and health via WattCycle app.
  • • Robust 300A BMS with 8X Protections: Over-current, short-circuit, and thermal safeguards.
  • • Temperature Protection: Charge: -5°C to 60°C | Discharge: -25°C to 75°C
  • • Scalable Design: Supports up to 4-series (51.2V) and 4-parallel (2,512Ah) = 128.61kWh usable energy.
  • • Military-Grade Build: UL94 V-0 fire-resistant ABS+PC casing with corrosion-resistant M8 terminals.

5 in stock
  • 5-Year Warranty
  • Hassle-free Returns
  • 7/24 Help & Advice

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📄 12V Series Battery User Manual.PDF

Description

  • Bluetooth-Enabled Lithium Battery: Monitor your battery’s performance in real time with our Bluetooth-enabled lithium battery. Featuring seamless connectivity, advanced safety, and long-lasting power, it’s the perfect choice for modern energy solutions.
  • EVE LF280K - 280Ah  Grade A+ LiFePO4 Cells: The WattCycle 12V 280Ah Mini LiFePO4 Battery is equipped with EVE LF280K-280Ah  Grade A+ LiFePO4 Cells, ensuring top-tier safety, energy density, power, and stability. This battery provides reliable and long-lasting power with a minimal self-discharge rate of just 3% per month. It features robust protection against overcharge, over-discharge, over-current, and short circuits, offering peace of mind and dependable performance.
  • 200A BMS:  It comes with a high-performance 200A Battery Management System (BMS), which manages charge and discharge cycles, ensuring a maximum output of 200A while protecting the battery from overcharging, over-discharging, and short circuits. This advanced BMS enhances both safety and efficiency.
  • Longevity: With a lifespan of up to 10 years and between 5,000 and 15,000 charge cycles, this battery produces a total of 17,920 kWh of energy over its lifetime (3584Wh x 5,000 cycles). This longevity translates into significant cost savings, providing up to 50% power savings compared to utility power.
  • Cost-Efficient: The WattCycle 12V 280Ah Mini battery is also cost-efficient, offering robust energy storage for RVs, marine applications, or off-grid use. It is lightweight, weighing only a third of a comparable lead-acid battery with the same capacity, and is 12 lbs lighter than three packs of WattCycle 12V 100Ah LiFePO4 Batteries.
  • Lightweight: 12V 280Ah Mini lithium battery weighs only 1/3 of a comparable lead-acid battery with the same capacity, 12lbs lighter than 3 pack of WattCycle 12V 100Ah LiFePO4 Battery.
  • High Energy Density: The battery boasts a high energy density of 63 Wh/lbs (3584 Wh / 57.3 lbs ≈ 63 Wh/lb), which is nearly twice as much as comparable lead-acid batteries. 
  • Fast Charging Capabilities: It supports rapid charging, allowing for quicker turnaround times and minimizing downtime between uses.

WattCycle also ensures reliable and responsive service, with fast delivery within 2-5 business days from local warehouses in California, Texas, or Georgia. Customers benefit from lifetime support, including quick feedback within 24 hours, and accessible operation manuals and online support.

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WattCycle Revolutionary Battery, More Energy in a Compact Design

Experience industry-leading energy density with the WattCycle 12V 628Ah Ultra Lithium Battery, engineered to deliver exceptional performance and reliability. Incorporating EV-grade A+ cells, a robust 300 A BMS with configurable over-current protection, and expandable 4 P × 4 S scalability for up to 128.61 kWh, this 12V 628Ah Ultra Lithium Battery sets a new benchmark in power storage. Protected by intelligent low-temperature cutoffs and backed by a 5 + 2 year warranty, it thrives in harsh environments while Bluetooth 5.0 monitoring ensures real-time visibility of voltage, state of charge, and temperature. With double the capacity of comparable units and an industry-leading 5,000–15,000 cycle lifespan, the WattCycle 12V 628Ah LiFePO4 battery delivers long-term value for the most demanding applications.

Advanced Wireless Control

Equipped with Bluetooth 5.0, the WattCycle APP transforms your smartphone into a command center for the 12V 628Ah lithium battery. With a few taps, you can remotely initiate or suspend discharge, verify system health, and monitor critical metrics—voltage, current draw, and cell temperature—in real time. Parameters such as the 300 A continuous discharge limit and peak over-current cutoff can be fine-tuned on the fly, ensuring your WattCycle 12V 628Ah LiFePO4 battery operates precisely to your requirements. This level of oversight delivers confidence and convenience, whether you’re managing an off-grid solar array, marine system, or RV power pack.

Extreme-Environment Protection

Built to withstand the harshest conditions, the WattCycle 12V 628Ah Ultra lithium battery employs intelligent thermal safeguards that automatically pause charging below 32 °F (0 °C) and only resume once ambient temperatures exceed 41 °F (5 °C). In even more severe cold, discharge is halted below –4 °F (–20 °C) to prevent cell damage. Once the environment returns to safe thresholds, the system seamlessly restores full functionality—ensuring your 12V 628Ah Ultra Lithium Battery delivers uninterrupted power whether you’re braving sub-zero winters or scorching summer heat.

Decade-Long Backup Endurance

EV grade A+ LiFePO4 calls have a longer lifespan, better-refined manufacturing, and contain more energy per cell. Engineered for unwavering reliability, the WattCycle 12V 628Ah lithium battery delivers over a decade of continuous backup power, ensuring mission-critical systems stay online through countless cycles. This exceptional longevity means your investment in the 12V 628Ah Ultra Lithium Battery pays dividends year after year, with minimal capacity fade and maximum uptime for residential, commercial, and industrial applications.

Superior Performance vs. Lead‑Acid

Unlike conventional lead‑acid designs, the WattCycle 12V 628Ah Ultra Lithium Battery is encased in UL94 V‑0 flame‑resistant ABS+PC housing and carries an IP65 ingress rating, delivering industry‑leading fire safety and protection against dust and water. This rugged enclosure means you can install it in harsh industrial settings, dusty warehouses, or aboard marine vessels with confidence—environments where traditional batteries often fail or require frequent maintenance. Coupled with the inherent maintenance‑free LiFePO4 chemistry, which eliminates watering and minimizes self‑discharge, this robust design lowers your total cost of ownership and guarantees reliable power delivery when you need it most.

Modular High-Capacity Configuration

Each WattCycle 12V 628Ah Ultra LiFePO4 battery stacked individual battery delivers 8038.4Wh of energy. For projects demanding even greater power, 16 batteries in 4P4S can create a 51.2V 2512Ah system that unleashes a colossal 128.61 kWh of energy. With a truly gigantic energy capacity, this system easily supports any energy demands. Whether you’re expanding a commercial backup system or building a residential microgrid, the 12V 628Ah Ultra Lithium Battery adapts without compromising reliability or performance.

Versatile Fast-Charge Options

Use the WattCycle 14.6 V 80 A charger specifically designed for LiFePO4 battery, which fully charges the battery in just 7.85 hours. With a faster charging rate than traditional lead-acid batteries it provides a better using experience. In addition, 3 other charging options, including solar panel,  alternator and generator, suit your different charging needs.

Broad Application Spectrum

The WattCycle 12V 628Ah lithium battery excels in a wide range of settings—from reliable home energy storage and remote off‑grid microgrids to demanding marine environments and long‑haul recreational vehicles. In critical infrastructure such as UPS backup systems and telecommunications sites, its consistent output and intelligent protection features minimize downtime and maintenance. Whether you’re powering a vacation cabin, outfitting a commercial solar array, or ensuring uninterrupted operation aboard a vessel, the 12V 628Ah Ultra Lithium Battery delivers the robust performance and dependability that modern applications require.