Eurorau Seat Tube Battery 48V12.5Ah/17.5Ah

EUNORAU 48V Down-tube Lithium Battery — 12.5Ah & 17.5Ah (Sanyo / LG / Samsung cells)

Overview

This 48V down-tube battery from EUNORAU is available in 12.5Ah and 17.5Ah capacities and uses original Sanyo, LG or Samsung lithium?ion cells. It’s built for electric bicycles, tricycles and light motorcycles, includes a built-in BMS for safety and balancing, and is supported by local EUNORAU service agents for easier maintenance and repairs.

Benefits

• Extend your range so you complete rides without worrying about running out of power.
• Reduce charging downtime with supported faster charging and a reliable charging routine.
• Protect your bike and battery with built-in BMS protections that reduce common failure risks.
• Use the same battery across many setups — compatible with motors from about 250W up to 1000W.
• Simplify upkeep with local after-sale service and authorized repair agents.
• Lower long-term ownership cost thanks to a long cycle life and quality cells.

Features

• Models: 48V 12.5Ah and 48V 17.5Ah.
• Down-tube (WHITEBAIT case) mounting style for many bicycle frames.
• Built-in Battery Management System (BMS) with cell balancing.
• Protections for short circuit, over-charge, over-discharge and over-current.
• Continuous discharge suitable for motors in the 250W–1000W range.
• Peak discharge capability for short higher-power demands.
• Includes a 2A charger; supports faster 3A charging where applicable.
• Cells sourced from original Sanyo, LG or Samsung manufacturers.

Specifications

• Nominal Voltage: 48V
• Rated Capacity: 12.5Ah or 17.5Ah
• Custom Capacity Range: 48V 7.8Ah – 17.5Ah (customizable)
• Dimensions: 75 × 110 × 365 mm
• Weight: about 4.5 kg
• Standard Charge Current: 2A (charger included)
• Fast Charge Current: 3A (supported)
• Continuous Discharge Current: 25–30A (suitable for 250W, 350W, 500W, 750W, 1000W motors)
• Peak Discharge Current: 45–60A
• Type: Down-tube battery (WHITEBAIT case)
• Color: Black
• Cycle Life: approximately 500–800 cycles
• BMS & Balance: short-circuit, over-charge, over-discharge, over-current protection and cell balancing
• Applications: electric bicycles, electric tricycles, electric motorcycles
• After-sale Service: local support available through EUNORAU authorized service agents