11.1V Li-ion Battery Pack Replacement, Compatible With Bestway Winny HJ1101J Pool Vacuum Cleaner, High-Capacity Battery Part

Our 11.1V lithium-ion battery pack replacement solution is exactly what you need. Designed to strictly adhere to original factory specifications, it delivers the robust power and reliable performance your pool vacuum deserves.Each battery pack utilizes premium lithium-ion cells, ensuring fast charging, low self-discharge rates, and stable power output. Whether you own a small backyard pool or a large in-ground pool, this battery delivers ample runtime to continuously remove dirt, leaves, and debris without needing mid-task recharging. Its sealed design offers exceptional waterproofing, guaranteeing safe operation in humid pool environments.Installation is quick and tool-free. Simply remove the old battery from your vacuum and insert our replacement—its precise fit ensures a secure, reliable connection every time. We've also integrated multiple safety protections: overcharge protection prevents damage during charging, while short-circuit protection safeguards both the battery and your vacuum.

• This 11.1V Li-ion battery pack is exclusively designed ，Compatible with Bestway Winny HJ1101J pool vacuum cleaner. It features precise voltage matching, ensuring full compatibility without damaging the vacuum’s internal components
• Built with high-quality lithium-ion cells, the battery part delivers stable power output and long-lasting performance. It provides sufficient runtime to clean your entire pool in one go, avoiding frequent recharging interruptions
• Easy to install and remove—simply align the battery pack with the slot on your HJ1101J pool vacuum and push until it clicks. The secure lock design prevents accidental detachment during underwater cleaning
• Equipped with multiple protection mechanisms, including overcharge, over-discharge, and short-circuit protection. It ensures safe use while extending the battery’s service life for your pool vacuum
• A reliable replacement battery for HJ1101J pool vacuum cleaner. It restores the vacuum’s suction power and runtime, keeping your pool water clean and clear with minimal hassle