52V eBike Battery 20Ah Lithium ion Pack for up to 2000W Motor Downtube

• Brand: Elemex
• Battery Type: 21700 4800mAh Lithium-ion Battery
• Cell Brand: LG (Genuine) – LG M48A Cell
• Array Mode: 14s4p
• Nominal Voltage: 52V
• Rated Capacity: 19.2Ah
• Energy: 998W
• Max Constant Discharge Current: 40A
• Way of Charge: CC/CV
• Peak Current: 120A (3-5 Seconds)
• Max Constant Charge Current: 4A
• Cut-off Voltage: 42.4V
• Charge/Discharge Temperature: -15°C ~ 55°C
• BMS: 40A
• Protections: Overheat, Over Charge, Over Discharge, Over Current, Short Circuit, Balance
• Charging Time: Approx. 4 to 10 hours
• Charging Compatibility: Elemex-approved Chargers
• Output Connector: XT60 Female
• Battery Colour: Black
• Charging Connector: 3 Pin XLR (18mm)
• Cycle Life: ≥80% of initial capacity after 1,000 charge cycles (tested up to 1,100 cycles)
• Weight: Approx. 5.1 kg
• Dimensions: Approx. 360mm x 90mm x 130mm
• Safety Certificates: CE, ROHS, MSDS, UN38.3, IP65
• Warranty: 1 Year

BMS Protection:

This 52V Downtube eBike Battery Pack is equipped with a Battery Management System (BMS) that provides protection against overcharge, over-discharge, over-current, short circuits, and ensures cell balance for optimal performance and safety.

Downtube eBike Battery

Important Information

Compatibility

Ensure the controller’s maximum current does not exceed the battery’s BMS limit. For example, a 40A BMS requires a controller of 40A or less. Exceeding this may cause shutdown, reduced lifespan, or unsafe operation.

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 52V 20Ah eBike Battery Lithium Pack (Genuine LG Cells)
• 1x Frame Mount
• 2x Keys
• 1x Adapter Cable XT60 (Male)
• 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.