LG MJ1 INR 18650 3500mAh 3.7V High-Drain 10A Lithium Ion (Li-ion) Unprotected Flat Top Battery - Bulk

$5.95
/
Shipping calculated at checkout.
Size chart

36V NAKED PACK DIMENSIONS

All sizes below include holders, insulation, heat-shrink, wiring, and side-mounted high-current BMS allowance.

Config Capacity (Ah) Cell Count Dimensions (L × W × H, in) Dimensions (mm) Max Continuous (A) Notes
10S3P 15Ah 30 8.9 × 2.8 × 3.3 226 × 71 × 85 100A Compact commuter
10S4P 20Ah 40 8.9 × 3.7 × 3.3 226 × 94 × 85 120A Good range upgrade
10S5P 25Ah 50 8.9 × 4.6 × 3.3 226 × 117 × 85 150A Mid-capacity
10S6P 30Ah 60 8.9 × 5.5 × 3.3 226 × 140 × 85 180A Balanced build
10S7P 35Ah 70 8.9 × 6.4 × 3.3 226 × 163 × 85 200A High power
10S8P 40Ah 80 8.9 × 7.3 × 3.3 226 × 186 × 85 220A Fleet / commuter
10S9P 45Ah 90 8.9 × 8.2 × 3.3 226 × 209 × 85 250A Heavy duty
10S10P 50Ah 100 8.9 × 9.1 × 3.3 226 × 232 × 85 300A Max 36V build
Color
  • Free worldwide shipping
  • In stock, ready to ship
  • Backordered, shipping soon

DESCRIPTION

LG MJ1

Unprotected Flat Top 18650 Battery

The LG MJ1 is a flat top 18650 battery with one of the highest capacities available. INR (lithium nickel manganese) chemistry offers a superior 3,500mAh capacity compared to most IMR (lithium manganese) cells, while having a maximum discharge current of 10A. The flat top terminal design is ideal for use in creating battery packs.

Rechargeable & Reusable

Invest in a rechargeable battery that will last for years to come– this battery can be recharged 400+ times.

3 Year Shelf Life

Stock up and store spare batteries with confidence– lithium ion batteries have a 3+ year shelf life, ensuring you always have a fresh replacement when you need it.

High Discharge Rate

10A max continuous discharge rate for high-drain electronics, such as flashlights that require minimum discharge rates to enable their brightest modes.

Notable Features

» 3,500mAh energy capacity offers longer runtimes for all your devices
» Flat top terminal is perfect for use in battery packs.

SPCIFICATION

Brand LG
MPN MJ1
Color
Green
Size 18650
Chemistry Li-ion
INR (LiNiMnCoO2)
Voltage 3.64V
Capacity 3,500mAh
Terminal Flat Top
Protected No
Shelf Life

 3 Years

 

CHARGE & DISCHARGE

Charge Cycles 400+
Voltage
Nominal 3.64V
Maximum 4.2 ± .05V
Discharge Rate
Max Continuous 10A
Standard 680mA
Charge Rate
Max 3.4A
Standard 1.7A

 

DIMENSIONS

 

Length 2.56" / 65 ± .2 mm
Diameter .72" / 18.4 ± .1 mm
Weight 1.73oz / 49g

 

TECHNICAL DATA

Country of Origin CN
UPC 00717356042959
Warranty Battery Junction 30-Days
Return Policy Battery Junction Return Policy

 

LGMJ1_datasheet

Processing Time


  • Most in-stock batteries ship within 3–5 business days.
  • Custom rebuilds and special orders may take 7–14 business days before shipping.



Shipping Method


  • All batteries are shipped via ground service only (FedEx or UPS) in compliance with DOT and IATA regulations for lithium batteries.
  • Expedited air shipping is not available for lithium battery products.



Delivery Time


  • Ground shipping typically takes 3–7 business days within the U.S.
  • Tracking information will be provided as soon as your order ships.



Local Pickup


  • Pickup is available at our Las Vegas facility:

    6585 S Arville St, Las Vegas, NV 89118

    Monday–Friday, 9:00 AM – 5:00 PM (by appointment).



Returns


  • Returns are accepted within 14 days of delivery on unused, unopened batteries.
  • For rebuilds and custom packs, all sales are final unless defective.



Important Notes


  • Shipping is limited to the continental United States.
  • Customers are responsible for providing a valid shipping address — carriers cannot deliver to P.O. Boxes.
  • Signature may be required at delivery for higher-value battery orders.


DESCRIPTION

LG MJ1

Unprotected Flat Top 18650 Battery

The LG MJ1 is a flat top 18650 battery with one of the highest capacities available. INR (lithium nickel manganese) chemistry offers a superior 3,500mAh capacity compared to most IMR (lithium manganese) cells, while having a maximum discharge current of 10A. The flat top terminal design is ideal for use in creating battery packs.

Rechargeable & Reusable

Invest in a rechargeable battery that will last for years to come– this battery can be recharged 400+ times.

3 Year Shelf Life

Stock up and store spare batteries with confidence– lithium ion batteries have a 3+ year shelf life, ensuring you always have a fresh replacement when you need it.

High Discharge Rate

10A max continuous discharge rate for high-drain electronics, such as flashlights that require minimum discharge rates to enable their brightest modes.

Notable Features

» 3,500mAh energy capacity offers longer runtimes for all your devices
» Flat top terminal is perfect for use in battery packs.

SPCIFICATION

Brand LG
MPN MJ1
Color
Green
Size 18650
Chemistry Li-ion
INR (LiNiMnCoO2)
Voltage 3.64V
Capacity 3,500mAh
Terminal Flat Top
Protected No
Shelf Life

 3 Years

 

CHARGE & DISCHARGE

Charge Cycles 400+
Voltage
Nominal 3.64V
Maximum 4.2 ± .05V
Discharge Rate
Max Continuous 10A
Standard 680mA
Charge Rate
Max 3.4A
Standard 1.7A

 

DIMENSIONS

 

Length 2.56" / 65 ± .2 mm
Diameter .72" / 18.4 ± .1 mm
Weight 1.73oz / 49g

 

TECHNICAL DATA

Country of Origin CN
UPC 00717356042959
Warranty Battery Junction 30-Days
Return Policy Battery Junction Return Policy

 

LGMJ1_datasheet

Made in the USA / Local Confidence

BUILT & TESTED IN LAS VEGAS

Every battery that leaves our shop is inspected, tested, and supported by our U.S. team. Local service. Fast turnaround. Proven reliability.

Batteries
Fit & Compatibility

EVERY RIDEBUILT TO FIT

Each battery is designed or rebuilt for direct compatibility with your e-bike. If it doesn’t fit, we’ll make it right — guaranteed.

Hear it from them

★★★★★

Couldn't be happier with the service I received from this company.

Leslie M.
Toronto, ON
★★★★★

Really went out of their way to make me feel special as a customer, highly recommend!

Rachel F.
Los Angeles, CA
★★★★★

Rebuilt my old pack and it’s like new. Excellent workmanship and fast turnaround from their Las Vegas team.

Sam R.
Brooklyn, NY
★★★★★

Great range of batteries — fast shipping and the pack fit my Dorado perfectly. Tech support helped me with installation.

Sharon S.
New Orleans, LA
★★★★★

Couldn't be happier with the service I received from this company.

Matt C.
Montreal, QC
★★★★★

Solid value, honest advice. The charger they recommended charges quicker and the battery lasts longer than my original.

Justin Oboeo
Los Angeles, CA
★★★★★

Good experience overall — the custom build added range and the customer service answered every question.

Carlos Velez
Las Vegas, NV

You may also like

Recently viewed