iScooter i8 / i9 Electric Scooter Replacement Battery 36V 7.8Ah

36V 7.8Ah Replacement Battery for iScooter i8 / i9 Electric Scooter

Restore reliable range and performance to your iScooter i8 or i9 electric scooter with this high-quality 36V 7.8Ah replacement battery, built with genuine A+ grade 2600mAh 18650 lithium cells in a 10S3P configuration and a smart intelligent BMS. Fitted with XT60 female discharge and JST male charging connectors — matching the original connector specification of the iScooter i8 and i9 — this iScooter battery delivers stable, consistent power output and restores your scooter’s original acceleration, torque, and range for daily commuting and recreational riding.

This compact yet powerful iScooter i8 / i9 replacement battery is the ideal solution for replacing a worn, degraded, or faulty battery pack. With excellent cycle life, voltage stability, and reliable discharge performance, it gives your iScooter electric scooter a second life at a fraction of the cost of a new scooter.

Key Features

• Stable Power Delivery: The 36V 7.8Ah capacity delivers consistent voltage output, smooth acceleration, and dependable range across hundreds of charge cycles — ideal for daily iScooter i8 and i9 riders.
• A+ Grade 18650 Cells: Built with genuine 2600mAh A+ grade 18650 lithium cells in a 10S3P configuration for long cycle life, stable discharge, and reliable iScooter electric scooter battery performance.
• Intelligent BMS Protection: Protects against overcharge, over-discharge, overcurrent, short circuit, and overheating — keeping your iScooter i8 / i9 and battery safe every single ride.
• XT60 Female Discharge Connector: Matches the original discharge connector on the iScooter i8 and i9 — plug and play replacement with no wiring modifications needed.
• JST Male Charging Connector: Matches the original charging port on the iScooter i8 and i9 — fully compatible with your existing iScooter charger.
• Compact Direct Fit Design: 300mm × 72mm × 40mm body fits neatly within the iScooter i8 / i9 battery compartment — confirm dimensions against your scooter before purchasing.
• Plug and Play Replacement: No modifications required — fits using original iScooter i8 / i9 mounting points and connectors for a straightforward battery swap.
• Wide Motor Compatibility: Suitable for 200W, 250W, 300W, and 350W electric scooter motors — covers the iScooter i8 and i9 motor specifications perfectly.
• UK Certified: UKCA, CE, UN38.3 and MSDS certified for safe, compliant use across the UK.

Technical Specifications

• Brand: Battery King
• Compatible Models: iScooter i8 Electric Scooter · iScooter i9 Electric Scooter
• Voltage: 36V
• Capacity: 7.8Ah
• Battery Type: Lithium-Ion (Li-Ion)
• Cell Specification: 2600mAh 18650 (A+ Grade)
• Battery Configuration: 10S3P
• BMS: Intelligent Motherboard
• Suitable Motor Power: 200W / 250W / 300W / 350W
• Charging Connector: JST Male
• Discharge Connector: XT60 Female
• Dimensions (without box): 300mm × 72mm × 40mm (30cm × 7.2cm × 4cm)
• Part Type: Replacement Battery
• Certificates: UKCA, CE, UN38.3, MSDS
• Colour: Black

Compatible With

This 36V 7.8Ah battery is a direct replacement for:

• iScooter i8 Electric Scooter
• iScooter i9 Electric Scooter
• Other compatible 36V electric scooters with XT60 female discharge and JST male charging connectors

Not sure if this battery fits your iScooter model? Check the connector type and voltage on your existing battery before purchasing. Contact us on WhatsApp and we will confirm compatibility before you order.