48V 17.5Ah Down-Tube Ebike Battery — Hailong Case, UK Stock | LC Leccys

A reliable 48V 17.5Ah Hailong-style down-tube battery, perfect for 500W–1000W kits. It bolts to your bottle-cage mounts and locks in place with a key, so it's easy to take inside for charging.

Specs

• 48V 17.5Ah (840Wh)
• 30A BMS, lockable mount with key
• USB port, power switch, XT60 output
• Charger included (54.6V output, UK plug)

Which kits does it suit?

Made for 48V systems: our 48V 1000W rear hub kit and 48V complete kits. Not for 52V or 72V controllers.

Fit check

Your frame needs bottle-cage bolts on the down tube and enough straight tube length for the pack and rail. Send us a photo of your frame if you're unsure.

Charging tips

• Use the supplied 48V charger only
• Charge indoors on a hard surface, not overnight unattended
• Store at around 50–70% if the bike is parked up for weeks

UK stock: dispatched in 1–2 working days, delivered in 2–5 working days. Backed by our 2-year warranty and Leicestershire workshop support.