WattCycle 48V 100Ah Solar Battery with Active Balance & Bluetooth – WattCycle-Europe

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    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth
    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth

    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth

    Regular price €1.109,99 €1.999,99 | Save €890,00 (44% off)
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    ⚡ Pre-sale product. Estimate Shipping Date: April 27th - 30th

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    Enjoy €50 off per battery! Save more when you power up with our multipack offers. We’ve applied a €50 discount to every single unit within our bundles.

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    🚚 Free & Local Shipping

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    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth

    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth

    1 Pack (5.12kWh) - €1.109,99
    • 1 Pack (5.12kWh) - €1.109,99
    • 2 Pack (10.24kWh) - €2.119,99
    • 3 Pack (15.36kWh) - €3.179,99
    • 4 Pack (20.48kWh) - €4.239,99

    【⚡ Pre-sale】WattCycle 48V 100Ah Wall-mounted Solar Battery with Active Balance & Bluetooth

    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

    Robust 100A BMS with 3A Active Balance

    Active balancing means you retain more usable capacity over the life of the battery pack, accept faster and fuller charging without hitting early cutoffs, and experience slower capacity fade so the system delivers steady performance year after year.
    Without active balancing, individual cells drift to different States of Charge (SoC) over repeated cycles, which means the battery’s usable energy is effectively capped by the weakest cell. This mismatch forces earlier charge or discharge cutoffs, limits safe charge rates, reduces usable capacity, and accelerates overall ageing.

    Touchable LCD screen, Easy to Check Everything

    • ①The main interface displays the function options, including battery pack information, cell voltage, temperature, BMS alarm status, charge and discharge curve chart, setting and system information.
    • ②The Pack screen shows the battery's voltage, current, SOC, temperature and so on.
    • ③The cell screen displays all the voltages and temperatures of the single cells.
    • ④The alarm screen indicates the battery alarms, faults and other abnormal information.
    • ⑤There is also a chart to show the voltage, current and the SOC curve of the battery pack during operation.
    • ⑥With this LCD screen, you can set the communication protocol between the battery and the inverter, the language, and easily check the product information.

    Multiple Interfaces, Synchronous Communication

    This WattCycle 48V 100Ah Wall-mounted Solar Batteries have three communication interfaces: a CAN (Controller Area Network) interface with strong anti-interference ability, which helps you transmit key battery data; an RS485 interface suitable for medium and long distance transmission, which helps you remotely monitor your battery energy system; and an RS232 interface that can be used for maintenance and debugging of battery energy systems, which helps you configure battery parameters and read operating data.

    The three communication interfaces of WattCycle batteries have extremely high compatibility and can be connected to a variety of inverters, such as Victron, Deye, Growatt, GoodWe, SOFAR, SMA, and Pylontech.

    Whether you are looking for reliable energy for a data center, or thinking of upgrading your home energy system to LiFePO4 batteries, WattCycle 48V 100Ah wall-mounted solar battery is always a wise choice. Up to 20 batteries can be connected in parallel to achieve Max 102,4 kWh usable energy, which can highly expand the capacity of your power system, letting you have no worries for off-grid living energy shortage or blackouts in your apartment.

    PRODUCT DESCRIPTION

    Space-Saving Wall-Mounted Design: Measuring 398 × 200 × 625 mm, this wall-mounted battery is designed to maximise space efficiency. It can be easily installed on the wall or leaned against a surface, making it ideal for home solar systems and utility rooms.

    High-Quality BYD Cells: Built with premium BYD Grade A LiFePO4 cells, this WattCycle 48V 100Ah battery delivers 6000+ cycles at 80% DoD, supporting long-term, stable performance and providing over 10 years of reliable energy storage.

    100× Faster Active Balancing: Equipped with a 3A active balancing system, significantly more efficient than traditional passive balancing, reducing energy loss, improving cell consistency, and extending overall battery lifespan.

    Intuitive LED Strip Display: Features a modern LED light strip that provides a clear, real-time visual indication of battery capacity, allowing you to quickly check power levels at a glance.

    Smart LCD Touchscreen Control: Upgraded with a colour LCD touchscreen, enabling easy access to battery data, system status, and settings for a more intuitive and user-friendly experience.

    Dual Terminal Design for High Current: Designed with dual positive and negative terminals, improving current handling capability, connection stability, and heat dissipation for safer and more efficient operation.

    Advanced Communication & Monitoring: Supports CAN/RS485/RS232/Bluetooth communication, ensuring compatibility with most inverters, while Bluetooth connectivity allows real-time monitoring via WattCycle App.

    Safe 100A Smart BMS: Integrated 100A BMS with multiple protection functions, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring safe and stable performance.

    Expandable Energy System: Supports parallel connection of up to 20 batteries, enabling system expansion up to 102.4 kWh, ideal for growing energy demands.

    Wide Solar Applications: Perfect for home solar storage, off-grid systems, backup power, and energy independence setups, delivering reliable and efficient energy whenever needed.

    TECH SPECIFICATIONS

    Model 48V 100Ah Wall-mounted Solar Battery 48V 314Ah LiFePO4 Solar Battery
    Battery Mode LiFePO4 Battery
    Battery Capacity 5.12kWh 16.07kWh
    Internal Resistance ≤ 13.9mΩ ≤ 13.9mΩ
    Single Cell Capacity 100Ah 314Ah
    Rated Operating Voltage 51.2V 51.2V
    Standard Input Current 50A (Max.100A) 150A (Max.305A)
    Standard Output Current 50A (Max.100A) 150A (Max.305A)
    Overcharge Protection 58.4V
    Overcharge Protection Recovery 53.6V
    Overdischarge Protection 40V
    Overdischarge Protection Recovery 47.2V
    Charging Overcurrent Protection 110±10A/10s 310±10A/10s
    Discharging Overcurrent Protection 120±10A/10s 310±10A/10s
    Internal Resistance Recovery Methods a. Remove the Charger, b. Remove Loads
    Power Delivery 60%
    Equalization 3A Active Balance
    Parallel Capability Up to 20 units
    Power Failure Self-Consumption ≤300uA
    Communication Protocol RS485, CAN, RS232
    Recommend Charging Temperature 0°C to 55°C
    Recommend Discharging Temperature -20°C to 60°C
    Dimensions (L×W×H) 398 x 200 x 625 mm 450 x 240 x 880 mm
    Weight 45kg 122kg

    FAQ's

    Why is the active balance important?

    Active balancing is a cell management technique that moves charge from higher-voltage cells to lower-voltage cells, keeping every cell in the pack at a similar state of charge instead of simply shedding excess energy as heat. So your battery won't get hot as soon as you start using it, like before.

    At a continuous 3A rate, this balancing is strong enough to correct cell drift during normal use and to support higher, safer charge currents.

    Practically, active balancing means you retain more usable capacity over the life of the battery pack, accept faster and fuller charging without hitting early cutoffs, and experience slower capacity fade so the system delivers steady performance year after year.

    Without active balancing, individual cells drift to different States of Charge (SoC) over repeated cycles, which means the battery’s usable energy is effectively capped by the weakest cell; that mismatch forces earlier charge or discharge cutoffs, limits safe charge rates, reduces usable capacity, and accelerates overall ageing.

    How does the active balance work?

    If the balancing switch is on, balancing will begin when the maximum cell voltage differential in the battery pack exceeds this value and will end when it falls below this value.

    For example, if you set the balancing start voltage differential to 10mv and the balancing stop voltage differential to 5mV, balancing will begin when the cell voltage differential exceeds 10mV and end when it falls below 5mV.

    The recommended balancing start voltage differential is 0.005V for cells over 50Ah, and 0.01V for cells under 50Ah.

    When the lowest cell voltage is below the set value of 2000mV, active balancing will not begin, even if the cell voltage differential exceeds the set value. The balancing current represents the continuous current used to discharge the high-voltage battery and charge the low-voltage battery during energy transfer. The maximum balancing current represents the maximum current during energy transfer, which does not exceed 3A.

    What's the difference of 1A, 2A, and 3A active balance?

    The difference between 1A, 2A, and 3A active balance lies in the maximum current (amperage) they can use to transfer energy between battery cells.

    In essence, a higher amperage rating means the active balancer can correct imbalances more quickly and handle larger cell capacities more effectively. All types use non-dissipative energy transfer methods, meaning they are more efficient and generate less heat compared to passive balancing systems.

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