36V 15A / 540WH Narrow Electric Bike Battery Upgrade For Velectrix Bikes

Upgrade your compatible VelectriX electric bike with this premium 36V 15Ah / 540Wh narrow e-bike battery, designed for longer range, reliable performance and better value than many standard replacement batteries. This battery is ideal for riders who want more distance per charge, smoother power delivery and a complete replacement package with charger included.

With a larger 15Ah capacity and 540Wh energy rating, this battery is a practical upgrade from smaller 36V batteries and can help restore lost range from an ageing or worn-out battery.

Key Features

• 36V 15Ah electric bike battery
• Large 540Wh capacity for improved riding range
• Narrow Silver Fish style battery design
• Suitable for compatible VelectriX e-bikes
• Battery Management System for safer, more reliable performance
• Helps protect against over-charging, over-discharge, short circuits and temperature issues
• Charger included for added value
• Mounting frame and security keys included
• Ideal replacement or upgrade battery for daily riders

Why Upgrade To This Battery?

This is more than a basic replacement battery. Compared with many standard 36V 14Ah / 504Wh battery options, this 36V 15Ah / 540Wh battery gives you extra capacity and more usable energy for commuting, hill climbs, longer rides and everyday travel.

The higher capacity helps deliver better range per charge, while the included charger means you do not need to purchase a separate charger to get started.

What’s Included

• 1 x 36V 15Ah / 540Wh narrow e-bike battery
• 1 x 36V smart charger
• Mounting frame and slider
• 2 x security keys
• Built-in Battery Management System

Approximate Battery Size

• Length: approximately 440mm
• Width: approximately 73mm
• Depth: approximately 77mm
• Overall Size: approximately 73 x 77 x 440mm

Mount / Base Dimensions

• Base Width: approximately 77mm
• Base Depth: approximately 73mm

Compatibility

This battery is designed to suit compatible VelectriX electric bikes that use a 36V narrow lithium battery system.

The narrow Silver Fish style case is commonly used on VelectriX Urban, Urban Plus and selected older or current VelectriX electric bicycles.

Please check your original battery voltage, case shape, mounting rail, charging port, discharge connector and dimensions before ordering to confirm compatibility.

Important Compatibility Information

This battery is only suitable for compatible 36V e-bike systems. It is not suitable for 24V, 48V or 52V electric bikes.

Before purchasing, compare your current battery with this replacement battery carefully, including:

• Battery voltage
• Battery case shape
• Battery dimensions
• Charging port
• Discharge connector
• Mounting rail or slide rail style
• Lock position
• Base plate style

Specifications

• Product Type: Electric Bike Battery
• Compatible Brand: VelectriX
• Battery Voltage: 36V
• Capacity: 15Ah
• Energy: 540Wh
• Battery Style: Narrow Silver Fish style
• Charger: Included
• Mounting Frame: Included
• Security Keys: Included
• Use: Replacement or upgrade electric bike battery

Why Choose This Battery?

A worn battery can reduce range, power and overall ride confidence. This 36V 15Ah / 540Wh narrow e-bike battery is a practical upgrade for compatible VelectriX bikes, helping restore performance and extend riding distance.

With a charger, mounting frame and keys included, it offers a complete replacement package for commuters, weekend riders and anyone who relies on their e-bike for regular transport.