Introducing our 36V 17.4Ah Hailong Down tube Lithium-ion bicycle battery – the perfect companion for your 250w electric bike. With a sleek and lightweight design, this battery is easy to carry and fits perfectly on your bike’s down tube.

Safety is our top priority, which is why our battery is designed to be safe and easy to use. To ensure optimal battery health, we recommend holding it at about 40% of its charge when not in use and charging it every three months. And with our safe 2A charger featuring an integrated cooling fan, you can charge your battery quickly and efficiently. Additionally, it is important to store the battery in a dry and isolated environment to avoid excessive pressure and keep it out of reach of children.

Our battery is perfect for 250w motors, providing an estimated range of 40-50 miles on a single charge. And with all waterproof connectors, you can rest assured that your battery will stay protected from the elements. And for even extra wet weather security, we’ve included a free rain cover with your purchase.

Upgrade your electric bike experience with our 36V 17.4Ah Hailong Down tube Lithium-ion bicycle battery – the perfect combination of power, safety, and convenience.