1. Place Your Order: Enter the warehouse pickup address at checkout. Use your own name, email, and phone number for the order details.
2. Arrange Pickup: Contact support.eu@wattcycle.com to schedule a suitable pickup time.
3. Collect Your Order: Once the pickup time is confirmed, bring a printed pickup note to the warehouse to collect your goods.
4. Important Notes:
1). Same-day pickup is not available. Please arrange your collection time in advance
2). A printed pickup note is required for collection
3). Collection must be made during warehouse opening hours, otherwise additional charges may apply
4). Pallet breaking (de-palletising) may incur extra fees
The YouTube influencer Juki's testing confirms that our 12V 628Ah unit isn't just meeting standards, but it’s shattering them.
Real-world results show a massive 667.69Ah and over 8.5kWh of usable energy. When you choose this 12V LiFePO4 battery, you aren't just buying a rating. You are securing extra runtime, an extended cycle life, and a performance buffer that gives you total peace of mind during heavy usage.
Step into the future with the WattCycle 12V 628Ah Bluetooth edition. This high-output LiFePO4 battery is powered by EV-grade A+ prismatic cells and managed by a heavy-duty 300A BMS. Whether you need a single unit for a campervan or a massive 128.61kWh 4P4S array for industrial solar storage, our technology provides the scalability and safety your mission-critical systems demand.
Manage your power with surgical precision. The WattCycle App connects to your 12V LiFePO4 battery via Bluetooth 5.0, offering a live dashboard of voltage, temperature, and SoC. This level of transparency ensures your energy bank, whether on a yacht or in an off-grid cabin, is always optimized for peak efficiency with just a few taps on your screen.
Designed to thrive where others fail, our Ultra series features intelligent temperature management. This LiFePO4 battery automatically regulates charging in sub-zero temperatures and prevents damage during extreme heat. From frozen mountain trails to sun-drenched coastal waters, your power supply remains stable and protected against the elements.
Upgrade your power density and shed unnecessary weight. A single 12V 628Ah unit delivers over double the usable energy of three 200Ah lead-acid batteries, yet weighs 50% less. By switching to this advanced 12V LiFePO4 battery, you gain a maintenance-free, lightweight solution that dramatically improves the efficiency of boats, motorhomes, and backup systems.
Each unit acts as a standalone 8kWh battery (8,038.4Wh) solution, perfect for space-constrained installations. For high-demand projects, the modular design allows you to link up to 16 units. This creates a formidable 51.2V 2512Ah power station, capable of supporting full residential microgrids or large-scale commercial operations.
Never face a power shortage again. This 12V LiFePO4 battery supports three versatile charging paths: high-speed AC charging via our 60A charger (full in under 11 hours), solar-ready MPPT integration, or generator backup. Stay energized and mobile, whether you are traversing the outback or anchored at sea.
The WattCycle 12V 628Ah battery is the ultimate versatile LiFePO4 battery, engineered for those who refuse to compromise. From off-grid solar arrays and long-haul campervans to critical UPS and telecom backups, our technology provides the unwavering stability required for modern energy independence. Whatever your lifestyle, we provide the power to sustain it.
| Battery Technology | LiFePO4 |
| Dimensions | L480 x W362 x H242 mm |
| Weight | 69,85 kg |
| Terminals | M8 Bolts |
| Casing Material | Cold Rolled Steel |
| Waterproof Rating | IP65 |
| Self-heating | No |
| Hazard class | 9 |
| Warranty | 5 Years |
| Certifications | IEC, CE-EMC, CE-RoHS, CE-Battery, FCC-SDOC, UN38.3, MSDS |
| Nominal Voltage | 12,8V |
| Nominal/Usable Capacity | 628Ah |
| Energy | 8038Wh |
| Cell Balancing | No, passive balancing |
| Monthly Self Discharge | ≤3%/Month |
| Series & Parallel Configurations | Max. 4 in Parallel, Max. 4 in Series |
| BMS | 300A |
| Max. Continuous Output Power | 3840W |
| Overall Over-Charge Detection Voltage | 14,4±0,2V |
| Overall Over-Discharge Detection Voltage | 10±0,2V |
| Standard Continuous Charge Current | 125,6A (0.2C) |
| Max. Continuous Charge/Discharge Current | 300A (1C) |
| Over-current Charge Protection | 310A±10A |
| Over-current Discharge Protection | 310A±10A |
| BMS High Temperature Cut-Off | Charge: 55℃±5℃ Discharge: 65℃±5℃ |
| BMS Low Temperature Cut-Off | Charge: 0℃±5℃ Discharge: - 20℃±5℃ |
| High Temperature Recovery | Charge: 50℃±5℃ Discharge: 60℃±5℃ |
| Low Temperature Recovery | Charge: 2℃±5℃ Discharge: -15℃±5℃ |
| Charging Temperature | 0℃-55℃ |
| Discharging Temperature | -20℃-60℃ |
| Storage Temperature | 0℃-45℃ |
Yes. All WattCycle batteries use LiFePO4 chemistry, which is known for its high safety and exceptional stability.They are certified to IEC, CE EMC, CE RoHS, and CE Battery standards, and each unit undergoes rigorous quality testing before leaving the factory, including impact and extreme temperature tests.
The battery measures 480 × 362 × 242 mm (L × W × H), making it more compact than many LiFePO4 batteries with capacities above 300Ah currently on the market.It weighs 69.85 kg, so two adults are recommended for handling and transport.It is ideal for installation in home energy storage systems, fixed power setups in motorhomes, and battery compartments on sailing boats.
A LiFePO4 12V 628Ah Ultra lithium battery has a total usable energy of 8.038 Wh, calculated by multiplying the voltage (12.8 V) by the ampere-hours (628 Ah).
The LiFePO4 12V 628Ah Ultra lithium battery is equipped with Bluetooth 5.0. Using the WattCycle app, you can monitor the following data (for reference only; actual data may vary depending on the app version): status, temperature, voltage, current, and individual cell voltages.You can also control the charging and discharging processes directly via the app.If you prefer not to install an app, you can alternatively use a 500A battery monitor to track the battery status.
The operating time of the battery depends on several factors, including battery capacity, connected load, and battery condition. For example, a new battery performs better than a used one, as capacity gradually decreases slightly over the number of charge cycles.However, the runtime can be estimated using a simple formula:
Battery runtime (hours) = Battery capacity (Wh) / Total device power consumption (W)
For example, if you use a 12V 628Ah Ultra LiFePO4 lithium battery and connect a 50W lamp and a 50W speaker, the battery runtime would be:
8,038.4 Wh / (50 W + 50 W) = 80.38 hours
This simple calculation helps you estimate runtime under different load conditions.
It is not recommended. However, if no suitable LiFePO4 charger is available temporarily, a standard charger may be used for charging.
WattCycle recommends using a 12V 125A LiFePO4 charger for optimal performance and battery life.
The charging time depends on the specifications of your PV system, including the size of your solar panels and the capacity of your solar charge controller.
For example, if the 12V 628Ah Ultra LiFePO4 battery covers your daily energy consumption and you have around 4.5 hours of effective sunlight per day, you would need to generate approximately 8,038.4 Wh of energy.To achieve this, you would require at least 1,786.31 W of solar panels, so a 2,000 W system is recommended. This could consist of four 500 W panels or five 400 W panels.For a 2,000 W PV system, the required charging current is approximately 167 A. However, most MPPT solar charge controllers available on the market are typically rated at around 100 A, so it is recommended to use two 100 A MPPT controllers.
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore All WattCycle LiFePO4 12V lithium batteries support different configurations, including series, parallel, and series-parallel connections. You can connect up to 4 batteries in parallel and 4 in series, meaning a total of 16 units of the 12V 628Ah Ultra LiFePO4 battery can be combined to achieve an energy storage capacity of up to 128.61 kWh.
It is important to always use identical battery models with the same voltage, and ensure that batteries are not older than 6 months when combining them in a system.magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Two 12V 314Ah Mini LiFePO4 batteries connected in parallel and one 12V 628Ah Ultra LiFePO4 battery provide the same total capacity. However, using a single battery system generally offers better consistency and more stable operation. In addition, it requires less wiring and takes up less installation space.
Not recommended. There are four key rules for connecting WattCycle batteries in series or parallel:
Mixing different models may lead to imbalance and affect system performance and safety.
