WattCycle 12V 314Ah Mini Super LiFePO4 Battery Bluetooth & Active Balance – WattCycle-Europe

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    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance
    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance

    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance

    Regular price €599,99 €1.299,99 | Save €700,00 (53% off)
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    ⚡ Pre-sale product. Estimated Shipping Date: April 27th - May 4th

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    📣 Important Note

    The 12V 314Ah Super Bluetooth LiFePO4 battery is equipped with a control button on the top cover to manage charge and discharge.

    For shipping, the discharge function is turned off by default to reduce self-discharge during transport and storage. After receiving the battery, please press the button to activate the discharge function before use.

    If the battery voltage appears low when you first receive it, this is normal and there is no need for concern.

    Notify me when available

    You have already submited form for 1 Pack (4.02kWh)

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    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance

    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance

    1 Pack (4.02kWh) - €599,99
    • 1 Pack (4.02kWh) - €599,99
    • 👍 2 Pack (8.04kWh) - €1.187,99
    • 3 Pack (12.06kWh) - €1.763,99
    • 👍 4 Pack (16.08kWh) - €2.327,99

    【⚡ Pre-sale】WattCycle 12V 314Ah Mini Super LiFePO4 Battery with Bluetooth & Active Balance

    Thanks for choosing WattCycle. At WattCycle, we're committed to your satisfaction with our product(s). We guarantee that all WattCycle products are strictly tested by our quality inspectors before delivery.

    We understand that there may be situations where you need to return or exchange your purchase. The following "Return & Refund Policy" applies to WattCycle products.

    Order Cancellation

    WattCycle accepts order cancellation before the product is shipped or produced. If the order is canceled, you will get a full refund via the original payment method within 10 working days (Due to delays in processing refunds from a bank).

    WattCycle cannot cancel the order if the product has already shipped out.

    Lost / Damaged Products Received

    If the product was not delivered or lost, please immediately contact us. We will inquire about the situation and send you a statement. After you sign and send us the statement, we will re-arrange the shipment of your order.

    If the product you received was damaged, or if you received an incorrect or incomplete product, please immediately contact us with proof of videos or pictures and product serial number (This number is on a sticker on the product, below the barcode.). After providing the above certificates and serial numbers, we will provide you with a solution based on the damaged or missing items.

    30-Days Money-Back Guarantee

    Within 30 days of purchase, if you are unsatisfied with the product and there are no quality issues, you are entitled to a refund upon returning the item in its complete, unused condition with original packaging intact. However, you will be responsible for covering the round-trip costs (including shipping fees and handling charges). Costs vary by country/region. Please contact us to confirm the specific costs..

    If 30 days have passed since the purchase, a full refund cannot be offered.

    Attention: For products that have been used (Unboxing), WattCycle reserves the right to refuse the return.

    Return Shipping Cost

    WattCycle Pays For Return Shipping

    WattCycle will pay for the cost of return shipping if the reason for the return was the result of our error.

    Examples of instances may include:

    Item arrived defective and cannot be fixed with a replacement part.

    We shipped out the wrong item.

    We shipped it to the wrong address.

    We shipped a duplicate order.

    Item malfunctioned during the 30 day returns period. (The customer should install and operate the item properly per the product manual instruction.)

    Attention

    For items that arrive damaged or are defective, the customer MUST provide videos or photos to support the claim that the item arrived damaged or is malfunctioning. If a customer refuses to or fails to provide videos or photos of a claimed malfunctioning/damaged item, this return will be treated as “buyer’s remorse” and the customer is solely responsible for shipping it back. Once we have received the approved returned item, we will review its condition. If the item is found to be defective, we will issue a refund within 3 working days.

    Customer Pays For Return Shipping

    In the case of a return due to customer error, return shipping is the customer’s responsibility and shipping charges are paid by the customer. Fees vary by country, please contact us for specific fees.

    Attention

    Any order offered with special shipping charges is subject to a deduction from our actual outbound shipping costs.

    After the 30-day returns period, customers may use the WattCycle Warranty Policy for repairs if the item is faulty or malfunctioning. Please refer to the WattCycle Warranty Policy for details.

    Return Item & Address

    After confirming with our customer service team that a return is possible, we will provide you with a return solution based on your order's fulfillment warehouse.

    If your order was shipped from a German warehouse, we are unable to provide a return label. You will need to contact our customer service team to obtain the return address and arrange the return yourself.

    If your order was originally shipped from a Polish warehouse, we will provide you with a return label. You simply need to take the product with the return label attached to a courier station to ship it back.

    Return Address: Xixi, Generała Mikołaja Bołtucia 10, Grodzisk Mazowiecki, 05-827, Poland

    Refund

    For non-quality-related issues and unopened packages, you will be responsible for covering the round-trip costs (including shipping fees and handling charges). Costs vary by country/region.

    For quality-related issues reported more than 30 days after the purchase date, WattCycle will provide a partial refund based on the product's usage condition.

    Refund Timeline: Once the product is returned to the WattCycle warehouse, WattCycle will process the refund within 7 business days and send you a refund confirmation notification.

    Refund Method: The refund will be issued to your original payment method and account.

    Attention

    If you do not receive the refund within 10 business days, please contact us, and we will assist you in checking the refund status.

    Disclaimer

    WattCycle does not offer refunds for the following cases:

    Price difference of discount or promotional items.

    WattCycle products purchased through other entities (e.g., distributors or retail partners).

    Returns from a country/region different from the original shipping address of the order. If the return address differs from the original shipping location, resulting in shipping costs exceeding the initial fees, the user will be responsible for covering the additional shipping fees.

    Products showing signs of wear, use, or alterations from their original condition.

    Products damaged or lost during the return process.

    Changes to This Policy

    We reserve the right to modify this Return & Refund Policy at any time. We will post any changes to this policy on our website. We appreciate your support! If you have any questions about our shipping policy, please feel free to contact us.

    TECHNICAL SPECIFICATIONS

    General

    Battery Technology LiFePO4
    Dimensions L386,5 x W206,3 x H272,8 mm
    Weight 27,35kg
    Terminals M8 Bolts
    Casing Material ABS
    Waterproof Rating IP65
    Self-heating No
    Hazard class 9
    Warranty 5 Years

    Technical Data

    Nominal Voltage 12,8V
    Nominal/Usable Capacity 314Ah
    Energy 4019Wh
    Cell Balancing Yes, 3A active balancing
    Monthly Self Discharge ≤3%/Month
    Series & Parallel Configurations Max. 4 in Parallel, Max. 4 in Series

    BMS

    BMS 200A
    Max. Continuous Output Power 2560W
    Overall Over-Charge Detection Voltage 14,4±0,2V
    Overall Over-Discharge Detection Voltage 10±0,2V
    Standard Continuous Charge Current 62.8A (0.2C)
    Max. Continuous Charge/Discharge Current 200A (1C)
    Over-current Charge Protection 210A±10A
    1st Discharge Over-Current 210A±10A @ 10±0,5s
    2nd Discharge Over-Current 250A±10A @ 1±0,5s
    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℃

    Temperature Range

    Charging Temperature 0℃-55℃
    Discharging Temperature -20℃-60℃
    Storage Temperature 0℃-45℃

    PRODUCT DESCRIPTION

    Super Mini & Lightweight Design: Measuring just L386,5 x W206,3 x H272,8 mm and weighing a mere 27,35kg, the WattCycle 12V 314Ah Mini Super Lithium Battery stores 200% more energy in only 60% of the volume of lead-acid batteries, while being 66% lighter. This compact design makes it ideal for space-limited installations in motorhomes, campervans, and boats.

    100X Faster Active Balancing: WattCycle 12V 314Ah Mini Super Lithium Battery is equipped with a 3A active balancing. Compared to 0.03A passive balancing, active balancing has significant advantages in improving energy efficiency, extending battery life, and enhancing overall performance. It is especially suitable for applications with high requirements for performance and lifespan, such as sailboats, home energy systems, and campervans.

    Super 4-in-1 Switch: Equipped with a top-mounted smart control button, the battery offers one-touch start/stop, emergency power shut-off, sleep mode, and low-power standby. Turning the switch off reduces self-discharge, helping preserve stored energy when the battery is not in use. The integrated safety design also lowers the risk of accidental short circuits and other electrical hazards. In emergencies, the instant output cut-off allows you to quickly stop power delivery, providing added safety and control for your motorhome, boat, or off-grid system.

    DIY-Friendly Upgraded Design: Unlike traditional sealed batteries, the 12V 314Ah Mini Super Lithium Battery features a screw-fixed quick-removable casing, allowing you to easily open the battery, replace components, and customize your setup with confidence.

    6000+ Cycles for 10+ Years of Use: Built with EV Grade A+ prismatic LiFePO4 cells, this 12V 314Ah Mini Super Bluetooth Lithium Battery delivers 6000+ cycles @ 80% DoD, offering a significantly longer lifespan than conventional lead-acid batteries. Over time, the extended durability and higher efficiency translate into lower cost per cycle and better long-term value.

    Smart Bluetooth Control: With the Bluetooth feature, monitoring battery status, voltage, temperature, and capacity through the WattCycle app is easy and convenient. You can even control the charging and discharging status of the battery, as well as check the cells' temperatures and voltages.

    Advanced 200A Smart BMS Protection: Supports 210A±10A peak discharge current @ 10s and provides 20+ safety protections to ensure stable, safe performance even under heavy loads.

    4kWh Massive Energy Capacity: Delivers 4019Wh of usable energy and a Max 2560W continuous output, easily running appliances, AC units, microwaves, and off-grid equipment for up to one week.

    FAQ's

    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.

    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.

    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.

    Are WattCycle 12V 314Ah LiFePO4 batteries safe?

    Absolutely. LiFePO4 is the most stable lithium chemistry on the market. WattCycle cells are UL-certified and housed in an IP65-rated case. Our internal BMS guards against:

    • Over Charge & Over Discharge
    • Under Voltage & Over Voltage
    • Over Current & Short Circuits
    • High Temperature
    • Low-temperature Cut-off

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