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Rectangle 12V 20Ah Lithium ion Battery Pack with BMS + Waterproof Case

Original price was: $199.99.Current price is: $189.90. (inc. GST)

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High-Quality 12V 20Ah Scooter eBike Battery Lithium Ion Pack with BMS for Electric Scooter Mobility Electric Wheelchair Golf Buggy, etc.

(4 customer reviews)

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12V 20Ah Lithium Battery Pack with Waterproof Bag for Wheelchair Scooter Mobility - Elemex
Rectangle 12V 20Ah Lithium ion Battery Pack with BMS + Waterproof Case
$199.99 Original price was: $199.99.$189.90Current price is: $189.90. (inc. GST)

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12V 20Ah Lithium Battery Pack with Waterproof Bag for Wheelchair Scooter Mobility - Elemex
Rectangle 12V 20Ah Lithium ion Battery Pack with BMS + Waterproof Case
$199.99 Original price was: $199.99.$189.90Current price is: $189.90. (inc. GST)
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Name

12V 20Ah Lithium Battery Scooter Wheelchair + Waterproof Case

12V 20Ah Scooter eBike Lithium Battery Pack with BMS 

Genuine LG Cells

1 Year Warranty

12V 20Ah Lithium Battery Pack with Waterproof Bag for Wheelchair Scooter Mobility - Elemex12V 20Ah Lithium Battery 

Product Features:

  • Brand: Elemex
  • Battery Type: 21700 4800mAh Lithium-ion Battery
  • Cell Brand: LG (Genuine) – LG M48A Cell
  • Array Mode: 3s4p
  • Nominal Voltage: 12V
  • Rated Capacity: 19.2 Ah
  • Energy: 213W
  • Maximum Constant Discharge Current: 20A
  • Peak Current: 60A (3-5 Seconds)
  • Cut-off Voltage: 9.6V
  • Charging Voltage: 16.8V
  • Maximum Charge Current: 5A
  • Way of Charge: CC/CV
  • Charge/Discharge Temperature: -20 ~ 70 C
  • BMS: 20A
  • 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: Blue
  • Charging Connector: 5.5 x 2.1 mm
  • Cycle life: ≥80% of initial capacity after 1,000 charge cycles (tested up to 1,500 cycles)
  • Battery Weight: 1.11 kg~
  • Case Weight: 280 g~
  • Battery Dimensions: 145 mm x 75 mm x 60 mm (without bag)
  • Safety Certificates: CE, ROHS, MSDS, UN38.3, IP65
  • Warranty: 1 Year

BMS Protection:

This 12V Rectangle 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.

Important Information

Compatibility

Ensure the controller’s maximum current does not exceed the battery’s BMS limit. For example, a 20A BMS requires a controller of 20A 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.

Package Includes:

  • 1x Elemex 12V 20Ah Lithium Battery Pack (Genuine LG Cells)
  • 1x Waterproof Case
  • 1x Adapter Cable XT60 (Male)
  • 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.

Additional information

Package Weight 1820 g
Package Dimensions 29 × 19 × 14 cm
Brand

Colour

Blue

MPN

EXP12V20AB

Battery Voltage

Battery Capacity

Battery Type

,

Certifications

CE, ROHS, MSDS, UN38.3, IP65

4 reviews for Rectangle 12V 20Ah Lithium ion Battery Pack with BMS + Waterproof Case

  1. Owen Reed (verified owner)

    Great product and vendor my question about the product was responded to within minutes in a very friendly and professional way.

  2. Caleb Phillips (verified owner)

    Great service, great quality battery and bag. Thank you.

  3. John Kelly (verified owner)

    Item as described, well package and quick delivery.

  4. Ethan Roberts (verified owner)

    Shipped quickly and well packed and as described.

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