WattCycle 12V 628Ah LiFePO4 Battery, 8kWh Energy & 3.84kW Max Load – WattCycle-Europe

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    WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryReview Photo of WattCycle 12V 628Ah Ultra Bluetooth BatteryDimensions, weight and size of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryUpgraded 300A BMS of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryBluetooth 5.0 function to monitor the WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryLow-temperature cut-off protection of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryWattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery compare with 2 pcs 12V 280Ah Mini Bluetooth batteryDrop in replacement of lead acid battery of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryUninterrupted power supply feature of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryScalable power solution of Max 4P4S of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryMultiplie usage occassions of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 BatteryPackage content of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery2 pcs of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery3 pcs of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery4 pcs of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery
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    【📦 Pickup at Warehouse】WattCycle 12V 628Ah LiFePO4 Battery with Bluetooth & 300A BMS

    Regular price €993,99 €1.599,99 | Save €606,00 (37% off)
    /
    Tax included. Fast & Free Shipping

    Expected Delivery on - .

    Pickup From Our Warehouses

    Pickup From Our Poland Warehouse:
    City: Grodzisk Mazowiecki
    Postal Code: 05-827

    Key Features
    • ✔ L480 x W362 x H242 mm, 69.85 kg
    • ✔ 3840W Output Power, 8038Wh Usable Energy
    • ✔ Equivalent Usable Energy to 2 x 12V 314Ah Mini Bluetooth Batteries in Parallel
    • ✔ Ultra-powerful 300A BMS, 300A Max. Cont. Dis-/Charge Current, 310A ± 10A @ 1.2s Peak Discharge Current
    • ✔ Real-Time Monitoring via WattCycle App
    • ✔ Support 4P4S Connection to 128,6 kWh Energy
    • ✔ Certifications: IEC, CE-EMC, CE-RoHS, CE-Battery, FCC-SDOC, UN38.3, MSDS

    Notify me when available

    You have already submited form for Germany / 1 Pack (8.04kWh)

    Thanks for contacting us. We'll get back to you as soon as product / variant is back in stock.

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    🚚 Free & Local Shipping
    • Local Warehouse: Orders are dispatched directly from our Local Poland/Germany Warehouse.
    • Instant Savings via Local Pickup: Contact us to pick up at our Polish warehouse for exclusive savings and avoid courier wait times.
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    • xCotton Shipping Protection: Peace of mind is built in. Opt for xCotton Protection at checkout to safeguard your investment against loss, damage, or theft.
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    WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery

    【📦 Pickup at Warehouse】WattCycle 12V 628Ah LiFePO4 Battery with Bluetooth & 300A BMS

    Germany / 1 Pack (8.04kWh) - €993,99
    • Germany / 1 Pack (8.04kWh) - €993,99
    • Germany / 👍 2 Pack (16.07kWh) - €1.987,99
    • Germany / 3 Pack (24.11kWh) - €2.980,99
    • Germany / 👍 4 Pack (32.15kWh) - €3.974,99
    • Poland / 1 Pack (8.04kWh) - €1.027,99
    • Poland / 👍 2 Pack (16.07kWh) - €2.054,99
    • Poland / 3 Pack (24.11kWh) - €3.081,99
    • Poland / 👍 4 Pack (32.15kWh) - €4.108,99

    【📦 Pickup at Warehouse】WattCycle 12V 628Ah LiFePO4 Battery with Bluetooth & 300A BMS

    This policy applies to product returns, refunds, and order processing for items purchased through official WattCycle channels and authorized distributors.

    Table of Contents

    I. Order Cancellation

    Order Status

    Processing Method

    Not Shipped

    Cancellation request can be submitted for a full refund.

    Shipped

    Shipped orders cannot be intercepted or cancelled. Customers may apply for a return and refund after receiving the package in accordance with the return policy, or refuse the package upon delivery.

    II. Receiving Exception Handling

    If you discover any of the following issues upon delivery, please contact customer service within 48 hours and provide the required documentation:

    Exception Type

    Required Documentation

    Product Damaged

    Clear photos/videos (showing damage to outer packaging and product)

    Wrong Product Shipped

    Photos (showing received product and label)

    Missing Items

    Photos (showing all received items)

    Product Not Delivered/Lost

    /

    III. Return Policy

    1. 30-Day Returns

    Within 30 days of receiving your product, if you are unsatisfied and the product meets the following conditions, you may apply for a return:

    Return Conditions:

    • Product is unused and uninstalled
    • Product remains in original condition, no scratches or damage
    • All original accessories, manuals, and packaging materials are included
    • Valid proof of purchase must be provided

    Fee Information:

    • Return shipping costs are borne by the customer.
    • The refund amount will be your actual purchase price.

    2. Returns Beyond 30 Days (Non-Quality Issues)

    For returns due to personal reasons beyond 30 days of purchase, depreciation fees will be deducted based on the purchase duration, and restocking fees will apply.

    3. Quality-Related Returns

    For quality-related returns, please refer to the WattCycle Warranty Policy. Products confirmed to have quality issues within the warranty period are eligible for free replacement or refund.

    4. It is recommended to retain the original packaging intact for at least 30 days.

    5. Before shipping your return, please take photos of the package, shipping label, and recorded weight. Keeping these records may help avoid potential disputes if any issues occur during transit. Thank you for your cooperation and support.

    IV. Refund Policy

    1. Refund Process

    • After the return request is confirmed by customer service, the product must be shipped back to the designated warehouse.
    • Refunds will be processed within 3-5 business days after we receive and inspect the returned product. (If you see that the product has been delivered back to the warehouse, please contact us proactively to initiate the refund.)

    2. Refund Method

    • Refunds will be issued via the original payment method (PayPal or credit card).
    • The refund amount will be calculated after final verification, deducting any applicable fees, and returned through the original payment channel.

    3. Refund Inquiry

    If you have not received your refund within 7 business days after it has been processed, please follow these steps to check:

    • Check your bank account or payment account
    • Contact your issuing bank or payment platform (refunds may experience processing delays)
    • Contact WattCycle customer service for assistance

    After-Sales Policy Summary

    Scenario

    Resolution

    Shipping Responsibility

    Notes

    Quality issue (within 6 months)

    Free replacement/refund

    WattCycle covers shipping costs

    Requires quality defect confirmation, valid proof of purchase, and within the warranty period

    Quality issue (after 6 months, within warranty)

    Free replacement

    WattCycle covers shipping costs

    Requires quality defect confirmation, valid proof of purchase, and within the warranty period

    Personal reason (return within 30 days)

    Return for refund

    Customer bears return shipping

    Packaging intact, product in good condition. Warehouse restocking fees will be charged.

    Personal reason (return after 30 days)

    Return for refund

    Customer bears two-way shipping

    Warehouse restocking fees and depreciation fees will be charged.

    Wrong item shipped / Missing item / Transit damage

    Free replacement

    WattCycle covers shipping costs

    /

    Order cancellation (before shipment)

    Refund

    No shipping charges incurred

    /

    Beyond 6 months (non-quality issues)

    Returns not accepted

    /

    /

    VI. Return Procedure

    1. Contact Customer Service: Reach out via service@wattcycle.com, explain the reason for return, and provide your order number.
    2. Obtain Authorization: After confirming eligibility for return, customer service will provide a Return Label and return address.
    3. Pack and Ship: Securely pack the product using the original packaging to ensure safe transit.
    4. Ship and Track: Send the product back following customer service instructions and retain the tracking number.
    5. Refund Processing: Once the warehouse receives and inspects the returned item, the refund will be processed.

    VII. Special Notes

    • We reserve the right to refuse returns for products that have been used, installed, or have incomplete packaging.
    • Packages returned directly without confirmation and a Return Label from customer service will not be processed.
    • Customized products or those with activated extended warranties may be subject to special return conditions. Please consult customer service.
    • This policy applies only to the original consumer and does not apply to secondary resale.

    Contact Information:

    📧 Official Customer Service Email: support.eu@wattcycle.com

    🌐 Official Website: www.eu.wattcycle.com

    A Comprehensive View of The 12V 628Ah Architecture

    Take a deep dive into the internal engineering of the WattCycle 12V 628Ah Ultra battery. This LiFePO4 battery is a masterpiece of modern design, combining robust housing with high-precision components to redefine high-capacity energy storage.

    Verified Performance: Surpassing Rated Capacity

    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.

    Capacity Test of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery

    Innovation Unleashed: The 628Ah Ultra Bluetooth Series

    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.

    Precision Control via Bluetooth 5.0

    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.

    Climate-Resilient Engineering

    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.

    The Superior Alternative to Lead-Acid

    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.

    Modular Energy: From 8kWh to Microgrid Scales

    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.

    Expandable power supply of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery PC
    Scalableenergy solutions of WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 Battery PC

    Triple-Stream Charging for Total Autonomy

    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.

    Power for Every Path: Residential to Industrial

    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.

    PRODUCT DESCRIPTION

    Robust Power for Demanding Applications: Experience a new era of energy independence with the WattCycle 12V 628Ah Ultra Bluetooth LiFePO4 battery. Engineered for massive storage and smart management, this high-capacity unit offers unparalleled cycle life and scalability. It is the ultimate choice for motorhomes, marine vessels, and commercial-grade solar backup.

    Massive 8kWh Energy Reserve in a Compact Frame: Don't let the streamlined dimensions fool you; this single unit delivers a staggering 8kWh battery capacity (8.038Wh). By consolidating the power of two 314Ah units into one efficient footprint, it saves critical space in off-grid cabins and yachts while providing over 8.000Wh of usable energy.

    Automotive-Grade Reliability & Longevity: At the heart of this 12V LiFePO4 battery are premium EV-grade A+ prismatic cells. This industrial-strength construction ensures maximum thermal stability and a lifespan exceeding 6.000 cycles at 80% DoD. Invest in a decade of consistent power that outperforms traditional lithium alternatives.

    Intelligent App Control & Scalable Architecture: Take full command of your energy with integrated Bluetooth monitoring. Use the WattCycle App to track SoC, voltage, and battery's temperature in real-time. Whether you need a 12V 2.512Ah bank (4pcs 12V 628Ah LiFePO4 battery in parallel) or a massive 128kWh 51,2V array (4pcs in parallel and 4pcs in series), our flexible expansion options allow for effortless parallel or series configurations.

    High-Output 300A Smart Battery Management System: Built to handle heavy loads, the reinforced 300A BMS supports a continuous 3.840W discharge. This allows the LiFePO4 battery to effortlessly power industrial equipment, large-scale inverters, and high-demand household appliances without hitting early cutoffs.

    Superior Energy Density & Eco-Friendly Design: Boasting 115Wh/kg, this LiFePO4 battery provides three times the energy-to-weight ratio of lead-acid batteries. This lightweight, maintenance-free solution is perfect for campervans and marine use, offering a sustainable, recyclable energy source that reduces your carbon footprint.

    Comprehensive 8-Layer Safety Protocol: Safety is paramount. Our advanced 300A BMS includes an 8-fold protection suite against over-charging, short circuits, and extreme temperatures. With a wide operating range (discharging down to -25°C), this 12V LiFePO4 battery remains stable and secure in the harshest environments.

    Versatile Storage for Off-Grid Independence: From remote farms and solar arrays to luxury yachts and emergency UPS systems, the WattCycle batteries are designed for versatility. By choosing this high-capacity 8kWh battery solution, you reduce your long-term cost of ownership while securing reliable, year-round energy autonomy.

    TECH SPECIFICATIONS

    • Technology LiFePO4 Technology
    • Nominal Voltage 12,8V
    • Standard Charging Voltage 14,6V ± 0,2V
    • Nominal/Usable Capacity 628Ah
    • Max. Continuous Output Power 3840W
    • Energy 8038Wh
    • Battery Dimensions L480 x W362 x H242 mm
    • Weight 69.85 kg
    • Waterproof Rating IP65
    • Warranty 5 Years
    • Casing Material Cold Rolled Steel
    • Certification IEC, CE-EMC, CE-RoHS, CE-Battery, FCC-SDOC, UN38.3, MSDS
    • Series & Parallel Configurations Max. 4 in Parallel, Max. 4 in Series
    • BMS 300A
    • Standard Continuous Charge Current 125.6A (0.2C)
    • Max. Continuous Charge/Discharge Current 300A
    • Over-current Charge Protection 310A ± 10A
    • Over-current Discharge Protection 310A ± 10A
    • Short Circuit Protection Yes
    • Release Condition Cut-Off Load
    • Overheat Protection During Charging 60℃ – 70℃
    • Overheat Protection During Discharging 65℃ – 75℃
    • Overheat Protection Release Condition Drops to 5℃ – 15℃
    • Low-Temperature Protection During Charging -5℃ – 5℃
    • Low-Temperature Protection During Discharging -25℃ – -15℃
    • Low-Temperature Protection Release Condition Rises to 5℃ – 15℃
    • Charging Temperature 0℃ – 65℃
    • Discharging Temperature -20℃ – 70℃
    • Storage Temperature 0℃ – 60℃
    • Cell Balancing Yes, passive balancing

    CUSTOMER REVIEWS

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