⚡️Exclusive Prime Day Sale on the Official Website - Save 8% on select products
Upgrade your power system with Wattcycle LiFePO4 technology. We provide industry-leading energy density, allowing you to replace bulky lead-acid banks with compact, high-capacity modules.
✅ ⚡️ WattCycle First-to-Market
Stop paying the "Proprietary Tax." The WattLINK is the first-to-market bridge that lets you use 48V LiFePO4 battery with your Delta 2/3 Series. Breaking the Barrier to Universal Energy.
✅ Same Power. ✅ Zero DIY Skills Needed. ✅ Massive Savings.
⚡️Preorder – Ships July 20⚡️ WattCycle V2.5 48V 100Ah LiFePO₄ Rack Battery – Active Balancing | LCD | Bluetooth | Smart Comms | UL 1973
Monitoring
Options
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unique 5+2 year
warranty
- 100X Faster Balancing: Features 3A active balancing for rapid multi-channel equalization, minimizing energy loss and maximizing battery lifespan.
- 3U Rack-Mount Design: Space-saving plug-and-play installation, easily stackable in standard server cabinets.
- BYD Grade A Cells: Supports 1C charge/discharge rates and delivers reliable performance for over 10 years.
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.
Recently, YouTube has been buzzing about safety concerns related to thermal management in a certain brand's products. That’s why our 12V 314Ah includesbuilt-in aluminum cooling fins (up to 30% faster heat dissipation)plusoxygen-free braided copper conductorsfor efficient current flow and steadier performance under load.
You’re right: many lithium battery brands run into parallel behavior quirks in real-world setups. We listened to what users were experiencing and introduced a Parallel Mode option to help manage parallel operation more smoothly.Additionally, on Bluetooth models, you can control the battery on/off through the app, giving you more control over your system—especially when managing multiple batteries.
We released an app update that includes a new Parallel Mode with two selectable options: ExactMatch Mode (same-brand packs) and Compatibility Mode (mixed-brand). Click here →
After Will Prowse tested our V1 rack battery, we took the feedback seriously and went back to refine the platform. V2 is the result—focused on improved long-term consistency and a better overall ownership experience.
To protect customer experience and the WattCycle name, we don’t release products lightly. Before any model goes live, we run checks such as thermal testing, load testing, and other validation steps to confirm expected behavior.We also share more behind-the-scenes updates on our YouTube—and we genuinely appreciate every customer and creator who brings constructive feedback. It’s how we keep iterating and improving.
We offer a 5+2 year warranty structure as published for these platforms—our way of standing behind the quality we’re shipping.
Hear From Other Power Builders
We’re always iterating.
Big thanks to the YouTubers who test our gear and share honest feedback—it helps us improve every generation.