August 17th - 28th

WattCycle 4th Anniversary

UP TO 45% OFF + FLASH SALE

30-Day Price Guarantee | Free Gift
Member Perks: 3x Points + Exclusive Deals

Subscribe to Receive an Extra 5% OFF

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7+ Year Warranty
Built for long-term use.
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Hassle-free Support
Fast help when you need it.
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Free Shipping from US
No extra shipping fees.
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Real Capacity
Usable energy you can count on.
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Safety Certification
Certified for safer power.
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Quality Guaranteed
Strict QC on every unit.
    ⚡️Brand Day Flash Sale ⚡️WattCycle 48V 50Ah GC2 Bluetooth Lithium Battery for Golf Cart & Lawn Mower - Free Monitor

    ⚡️Brand Day Flash Sale ⚡️WattCycle 48V 50Ah GC2 Bluetooth Lithium Battery for Golf Cart & Lawn Mower - Free Monitor

    • Affordable $499 expansion solution including the Wattlink cable（Delta 2/3 series）.
    • Ultra-lightweight and portable design weighing only 44 lbs.
    • It is more convenient than 12V or 24V systems that require DIY voltage boosting, and more cost-effective than a 48V 100Ah setup.
    • Supports parallel connection of multiple units to achieve greater total capacity.
    • Designed forEcoFlow Delta 2/2 Max, Delta 3/3 Plus series, and WAVE 3 ports
    • 50A Bidirectional Rapid Charging
    • Features thick 8AWG wiring and a 100°C heat-resistant ABS housing.
    • Supports high-capacity direct connection with bidirectional power flow (charging and discharging).
    $489.99 $679.99
    Learn More

    One Battery. Every Scenario.The Ultimate 12V 314Ah Off-Grid Series.

    Massive Discounts + Extra Coupons inside! Secure your off-grid freedom before the deal expires.

    WattCycle 12V 314Ah Mini Super Bluetooth LiFePO4 Battery | 3A Active Balancer | Servic | Heavy-Gauge Internal Cabling

    WattCycle 12V 314Ah Mini Super Bluetooth LiFePO4 Battery | 3A Active Balancer | Servic | Heavy-Gauge Internal Cabling

    Keep the Performance. Add the Control. The 12V 314Ah MINI SUPER, Evolved.

    ❄️ 4,02 hrs. Air Conditioner (1000W)
    🧊 66,99 hrs. Refrigerator (60W)
    🫖 8,04 hrs. Kettle (500W)
    ♨️ 5,02 hrs. Microwave Oven (800W)

    $579.99 $899.99
    Learn More

      Need a More Flexible or Entry-Level Solution?

      Explore our 12V & 24V systems for vans, cabins, and essential backup.

      WattCycle 12V 100Ah TM Bluetooth LiFePO4 Battery with 120A BMS surge protection for 30-70lb Trolling Motors

      WattCycle 12V 100Ah TM Bluetooth LiFePO4 Battery with 120A BMS surge protection for 30-70lb Trolling Motors

      120A BMS compatible with high power needs, precisely designed for trolling motors.

      $299.99 $359.99
      Learn More

        Safety First. Improvements Always.

        WattCycle was built for people who rely on power—RVers, off-grid builders, and home backup users. We pay close attention to what the community is discussing (especially around safety and real-world behavior), and we turn feedback into engineering actions—then validate changes before release.

        Celebrating 4 years of WattCycle, backed by 10+ years of engineering excellence.

        WattCycle: Power for your journey, engineered for your life.

        • NO Norway
        • GB United Kingdom
        • EU European Union
        • CH Switzerland
        • UA Ukraine
        • RS Serbia
        • NG Nigeria
        • ZA South Africa
        • JP Japan
        • TH Thailand
        • PH Philippines
        • PG Papua New Guinea
        • AU Australia
        • NZ New Zealand
        • US United States
        • CA Canada
        • US United States
        • MX Mexico
        • CU Cuba
        • BR Brazil
        • PY Paraguay
        • IS Iceland
        world map

        2025

        Certified as a National High-Tech Enterprise.

        Launched 40V 100Ah 3U home storage battery.

        Introduced mobile monitoring, synchronous discharge, and active balancing technologies.

        Launched 12V 628Ah Ultra high-capacity battery.

        Sales exceeded 4 million units, across 60+ countries.

        2024

        Sales surpassed 2.5 million units.

        Top 10 in Amazon U.S. lithium batteries.

        Top 1 in TEMU lithium batteries.

        Introduced RGM and ultra-low temperature cold start technologies.

        2023

        Entered the U.S. market.

        Launched the first 12V 100Ah mini lithium battery.

        Introduced the 12V 100Ah Group 24 lithium battery.

        Sales surpassed 1 million units.

        2022

        WattCycle Technology was officially founded.

        The full series adopted automotive-grade LiFePO4 batteries.

        2018

        Launched the first lithium battery pilot line, bridging R&D and mass production.

        2015

        Fully committed to lithium battery innovation, enhancing performance, safety, and lifespan.

        2015

        Expanded into the lithium battery sector, pioneering new energy storage technologies.

        2010

        Began with solar inverters, driving solar technology development and energy transition.