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THE CENTER OF LITHIUM-ION

Samsung 20B ICR18650-20B

Samsung 20B 18650 Battery, 2000mAh, 8A, 3.6V, Grade A Lithium-ion (ICR18650-20B)

0
  • 2000mAh
  • 8A
  • 3.6V
  • 7.2Wh

Availability: Out of stock

Availability: Out of stock

A customizable low-capacity, low-current lithium-ion 18650 battery made in Korea

description

The Samsung 20B is a lithium-ion cell intended for use in 18650 battery packs. It can power a wide range of devices including a virtual reality gloves, blood glucose meter, or electric grinder.

Samsung 18650 batteries are highly regarded for performance and safety.

The 20B ships from Korea or Hong Kong to anywhere in the world. Our facility in Dongguan, China provides additional services such as cell assembly into battery packs, testing, or the addition of nickel tabbing, wiring, or other accessories.

This product is protected by warranty covering authenticity, performance, age, and defects.

Specifications

samsung 20b specifications table
basicBrandSamsung
Model name(s)INR18650-20B,ICR18650-20B
Manufacturer full삼성 SDI (Samsung SDI)
Country of ManufactureSouth Korea
UL numberMH21015
sizeDiameter, max.18.40 mm
Height, max.65.00 mm
voltageVoltage, charge max.4.20 V
Voltage, nominal3.60 V
Voltage, discharge end2.75 V
capacityCapacity, max.2000.00 mAh
currentConstant charge current, max.2.00 A
Charge constant standard1 A
Max. continuous discharge current8.00 A
Peak discharge theoretic, 4 sec14 A
C-rate (charge, max.)1 C
C-rate (discharge, max.)4 C
powerWatts (charge, max.)7.2 W
Watts (discharge, max.)28.8 W
energyEnergy, max.7.20 Wh
Density volumetric theoretic417 Wh/L
E-rate (charge, max.)1 E
E-rate (discharge, max.)4 E
chemistryChemical abbreviationLCO
CathodeLiCoO2
Anodegraphitized carbon
timeStandard charge3 hours
temperatureStorage (less than 1 month)-20 – 50 °C
Storage (less than 3 month)-20 – 40 °C
Storage (less than 1 year)-20 – 20 °C
Temp charge, min0.00 °C
Temp charge, max45.00 °C
Temp discharge, min-20.00 °C
Temp discharge, max60.00 °C
additionalCycle life rated std. min.750 cycles
Lithium weight per cell0.5 g
RemarksReplaced by 20Q and 20R
whitepaperSpecification sheetSamsung 20B Specification Sheet

FAQ

Why should I choose Voltaplex?

Voltaplex is the easiest way to get low-cost lithium-ion solutions because of our streamlined order process and new cutting-edge factory. We have powered products featured on BBC, Forbes, and more, while our clients include globally recognized brands and leading universities.

How do I get a price quote?

Press the Add Quote to Cart button on this page. On the shopping cart page, press the Request Quote button and you are done.

How do you ship this product?

This product ships from Hong Kong by air with tracking to nearly every country in the world. We negotiate between carriers like FedEx, UPS, and DHL to secure the fastest and most inexpensive for your location. Sea freight is available for orders weighing 100 kg or more.

Will Voltaplex take care of customs clearance?

Yes, we can help you clear customs and obtain all necessary documentation for 18650 loose cells. Additional fees may apply depending on your location.

What is your warranty?

All of our products are guaranteed authentic and free from defects upon arrival and backed by a 21-day full refund or replacement. After-sales support is included with all orders.

For mass production, a Supply and Quality Agreement are mutually negotiated to assure the highest standards in manufacture and supply.

What are my different procurement options?

You can pay by bank transfer, credit card, or Paypal. A line of credit is also available at NET 15 and NET 30 payment terms. Please contact us for more details.

Our default procurement option is DDP. This means goods are delivered to your door, anywhere in the world. Other popular options are EXW and FOB.

How can I ask a public question about this product?

Ask a question in our Question and Answer public forum for discussing lithium-ion batteries.

Safety

Do not purchase 18650 batteries before reading and understanding these safety cautions. Using a lithium-ion cell incorrectly may cause it to leak, generate heat, smoke, catch on fire, or explode.

General Cautions

  • The cell must stay in the operating temperatures outlined in its data sheet
  • The cell must not exceed voltage, current, and other ratings in its data sheet
  • Be careful not to short-circuit
  • Store batteries separately, and do not transport without proper packaging
  • Never store or transport together with conductive or metallic objects particularly in a pocket or bag
  • Do not keep in the sun, in a hot car, or anywhere with direct heat
  • If you notice an unusual odor, rust, can deformation, damaged surface, or fluid discharge, especially on first use, discontinue use and contact our hotline
  • Keep cells away from animals and children
  • If the cell is attached to a PCB, keep it away from high-static environments
  • When nominal capacity after full discharge cycle is less than 80% of rated capacity, please discontinue use
  • Recycle discontinued batteries according to local regulations and cover terminals with insulating tape before disposal

Charging

  • Use the charging method Constant Current-Constant Voltage (CC/CV)
  • Use a stipulated charger for 18650 lithium-ion batteries
  • Never charge with a cigarette lighter charger or directly by electric outlet
  • Before using a charger or electronic device, read its user manual
  • Confirm terminals are aligned correctly before inserting cell into charger or device
  • Do not exceed max. charge voltage and current, and charge operating temperatures
  • Do not charge near high temperatures or flammable materials like cardboard boxes
  • Discontinue charging after exceeding charge time outlined in the user manual or data sheet
  • If the cell does not increase charge after prolonged time in the charger, discontinue use
  • Charger or device should implement warning for over-voltage, over current, and over-temperature, control of overcharge, and charge timer

Discharging

  • Use the discharging method Constant Current (CC)
  • Peak or burst current ratings should only be used theoretically for the design of battery packs with protection circuitry
  • Discharge within the operating temperature range
  • Do not exceed maximum continuous discharge current, and other limits detailed in the cell data sheet
  • Discharge end or cut-off voltage in data sheet is lower-limit for discharge cycle and should not be exceeded

Prohibited

  • Do not exceed any of the rated specifications
  • Do not charge or discharge near flammable materials or gas
  • Do not disassemble or reconstruct
  • Do not throw, puncture, or incinerate
  • Do not ingest
  • Do not let batteries get wet or submerged
  • Do not allow the positive and negative poles to connect with conductive materials
  • Do not reverse polarity
  • Do not insert insulation or other objects between the metal plate, cell, or other components
  • Do not store or transport improperly
  • Do not mix use with other battery brands or models
  • Do not solder directly on the cell
  • Do not overheat, overload, or give excess pressure (especially to the negative terminal) to the battery during solder or weld
  • Do not touch a leaking cell

18650 Battery Packs

  • Only construct battery packs if you are competent in doing so
  • Inspect each cell visually before packaging or assembly into battery pack 
  • Do not use cells with any conspicuous signs of deformation like discoloration, can-distortion, fluid discharge, rust, or electrolyte odor
  • Use cells of the same capacity/voltage rank or Lot Number
  • Different cell brands or models should not be combined into a battery pack
  • Handle stripped leading wires and contact plates carefully; insulate exposed contacts and conductors when possible
  • Position the cells in battery pack as far away from source(s) of heat as possible

Packs powered by 18650 batteries should include the following circuitry to establish a baseline of operational safety:

  • Over and under voltage protection 
  • Overcharge and discharge current protection 
  • Short circuit protection 
  • Over temperature protection 
  • Cell imbalance protection (If battery packs are assembled with two or more cells)
  • Cell voltage balancing protection (If battery packs are assembled with two or more cells)

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