Downtube 48V 15Ah eBike Lithium ion Battery Pack with BMS and Bluetooth for 250W to 1500W Motor + Charger

Elemex 48V eBike Battery with LG Cells Suitable for 250W to 1500W Motors

Genuine LG Cells

1 Year Warranty

*** PRE-ORDER ONLY! THIS PRODUCT IS CURRENTLY OUT OF STOCK. THE EXPECTED DELIVERY IS LATE-FEBRUARY-2026.***

48V eBike Battery

• Brand: Elemex
• Battery Type: 21700 5200mAh Lithium-ion Battery
• Cell Brand: LG (Genuine) – LG M52VT Cell
• Array Mode: 13s3p
• Nominal Voltage: 48V
• Rated Capacity: 15.6Ah
• Energy: 750W
• Max Constant Discharge Current: 40A
• Peak Current: 120A (3-5 Seconds)
• Max Constant Charge Current: 3A
• Cut-off Voltage: 39.4V
• Charge Voltage: 54.6V
• Way of Charge: CC/CV
• Charge/Discharge Temperature: -20°C ~ 70°C
• BMS: 40A
• Bluetooth: Yes
• Protections: Overheat, Over Charge, Over Discharge, Over Current, Short Circuit, Balance
• Charging Time: Approx. 4 to 8 hours
• Charging Compatibility: Elemex-approved Chargers
• Output Connector: XT90 Female
• Battery Colour: Black
• Charging Connector: XLR 18mm
• Cycle Life: ≥80% of initial capacity after 1,000 charge cycles (tested up to 1,500 cycles)
• Battery Weight: 4 kg~
• Battery Dimensions: Approx. 365mm x 110mm x 90mm
• Safety Certificates: CE, ROHS, MSDS, UN38.3, IP65,IEC 62133-2
• Warranty: 1 Year

Smart Bluetooth BMS Protection:
This Battery Pack features a Smart Battery Management System (BMS) with Bluetooth, designed to provide reliable protection, monitoring, and control for lithium-ion battery packs. The BMS offers advanced safety features, including protection against overcharge, over-discharge, over-current, and short circuits, while ensuring precise cell balancing for optimal performance, longevity, and safe operation. With built-in Bluetooth connectivity, users can easily access real-time data such as cell voltages, pack status, temperature, and charge/discharge cycles through a smartphone app. Compact, efficient, and easy to integrate, this BMS enhances both the safety and performance of your battery pack.

Charger Features:

• Brand: Elemex
• Input: AC 100-240V∼ 50/60Hz
• Output: DC 54.6V 2Ah [109.2W]
• Compatible Battery: 48V Lithium Li-ion
• Certifications: SAA, GMA, CE, ETV
• Warranty: 1 Year

Important Information

Compatibility

Ensure the controller’s maximum current does not exceed the battery’s BMS limit. For example, a 30A BMS requires a controller of 30A or less. Exceeding this may cause shutdown, reduce lifespan, create unsafe operation, potentially harm the battery, and could void the warranty.

Dimensions Check

Please verify the dimensions of this item before placing your order.

Assistance

If you are unsure which battery to pair with your bike, please contact us for more information.

• 1x Elemex 48V 15Ah Lithium Battery Pack (Genuine LG Cells)
• 1x Premium Elemex 54.6V 2Ah Lithium Battery Charger
• 1x Frame Mount (Bracket)
• 2x Keys
• 1x Adapter Cable XT90 (Male) to XT60 (Female)
• 1x User Manual
• 1x Warranty Certificate

NSW Safety Information (Required by Law)

This product complies with the NSW Information Standard for e-micromobility vehicles, effective 1 August 2025.

Usage Laws:

Before using this vehicle, check the applicable local laws relating to your intended use of the vehicle on roads, footpaths, shared paths, bicycle lanes, and bicycle paths.

Serial Number:

Each battery includes a unique serial number printed on the product for traceability. Serial numbers are recorded and assigned to each buyer upon shipment.

Electrical and Fire Safety:

• Only use compatible batteries and chargers supplied or certified by Elemex.

• Ensure batteries and chargers used are compatible with this vehicle.

• Charge only in a dry, well-ventilated area, away from flammable materials.

• Do not leave the battery charging unattended or overnight.

• Avoid high-risk charging practices, including charging on flammable surfaces, using uncertified chargers, or charging damaged/swollen batteries.

• Modifying the vehicle or battery may cause fire.

• Warning signs: smoke, sparks, unusual heat, or swelling.

• If battery starts smoking or sparking, call 000 immediately.

User Responsibility & Charger Warning:

• Users must read and understand the Elemex Battery User Manual before use or charging.

• Lithium batteries must only be charged with Elemex-authorised, certified Li-ion chargers.

• Using aftermarket or uncertified chargers may cause performance issues, reduce battery life, or create safety risks.

• Use of uncertified chargers voids the warranty; any resulting damage is the user’s responsibility.

Safe Storage:

• Store in a cool, dry place (15°C – 25°C).

• Do not expose to prolonged heat or water.

• Keep out of reach of children.

Disposal:

• If battery is detachable, separate it safely and dispose of according to local recycling laws.

• If not detachable, follow local laws for vehicle disposal.

• Do not dispose of batteries or vehicles in household bins.

Additional Safety:

• Do not use the vehicle if it contains a damaged battery.

Emergency Instructions:

• If battery emits smoke or fire, move it outdoors if safe.

• Use a Class D fire extinguisher or sand.

• Do not use water on lithium battery fires.