Battery Adapter for Stacyc 12" & 16" Electric Balance Bikes - Compatible with Milwaukee M18 Lithium Batteries - Easy Install Power Tool Battery Pack Converter for Extended Ride Time

***The brands mentioned here are trademarks or registered trademarks of their respective owners. This product is not affiliated with or endorsed by them. Upgrade your 12eDrive or 16eDrive electric balance bike with this battery adapter(NOT Compatible with Stacyc 36V system models including 16eDrive Elite 36V, 20eDrive, or 20hDrive Class 2.), fully compatible with Milwaukee M18 lithium batteries. It allows you to replace expensive original batteries with M18 lithium packs, significantly extending ride time—ideal for kids’ off-road training, outdoor adventures, and long-distance riding. Built from premium PLA material and high-quality electrical components, the adapter features a two-piece design with a bypass module that relocates the battery under the seat for better balance and safety. Installation is fast and tool-free, with mounting screws, a Velcro strap, and clear instructions included. Each kit comes ready to use—just connect and ride. (Battery not included.) The brand(s) mentioned are trademarks or registered trademarks of their respective owners. WEIGUZC is not affiliated with, sponsored by, or endorsed by these brands.

• Compatibility: Designed for use with Milwaukee M18 Lithium battery packs and compatible with STACYC 12eDrive, 16eDrive (standard/brushless), and HD 16eDrive electric balance bikes, ensuring a secure fit and stable power connection. NOT Compatible with 36V system models including 16eDrive Elite 36V, 20eDrive, or 20hDrive Class 2.
• Extended Ride Time: Using the battery adapter to replace original batteries with Milwaukee M18 packs significantly extends battery life—ideal for long-distance rides, outdoor play, and youth dirt training without constant recharging.
• Durable Two-Piece Build: Made from premium PLA and high-quality electrical components, the adapter features a two-part structure with a built-in bypass module, allowing for secure battery placement under the seat.
• Quick & Secure Install: Includes installation instructions, screws and securing strap for hassle-free installation. Easily attach or detach without special tools.
• Complete Kit: Comes with 1 battery adapter, mounting screws, and a Velcro strap. (Battery NOT Included).
• ***Please be aware that using any aftermarket battery adapter will bypass the overheat safety feature of the original OEM battery. This may result in damage to the ESC and will void the manufacturer's warranty. It is recommended to use batteries no larger than 5ah.