INR21700-50E 5000mah Li-ion 21700 Battery Cell INR21700 battery for samsung 50E

INR21700-50E 5000mah Li-ion 21700 Battery Cell INR21700 battery for samsung 50E

  • Model NO.:Samsung-INR21700 50E
  • Voltage:3.6V
  • Capacity:5000mAh
  • Shape:Cylindrical
  • Battery Size:21700
  • Brand:Samaung
  • Working temperature:-40℃~60℃
  • Applications:Flashight,Electric Bicycles, Electric Folklifts, OTHER, Golf Carts

INR21700,samsung 50E,50E 5000mah, Li-ion 21700 Battery, 3.7v 21700 battery, samsung battery

LiFePO4 18650 Li ion rechargeable 18650 batteries cylindrical 18650 lithium battery Car battery(图1)

Products Description
Samsung 50E 21700 50E battery
Nominal voltage
Nominal Capacity
21*70 mm
Max.charge current
Max.discharge current
Charge current
Standard Charging: 0.5C
Rapid charge: 1.0C
Standard Charging method
0.5C CC(constant current)charge to 4.2V,
then CV(constant voltage 4.2V)charge till
charge current decline to ≤0.05C
Charging time
Standard Charging: 3.0 hours(Ref.)
Rapid charge: 2 hours(Ref.)
Discharge cut-off voltage
Operating temperature
-20°C~+60 °C
Storage temperature
Life Cycle
>1000 Times(80%DOD, Max 95%DOD)

Bright flashlights,mobile powersupplies,electronics nebulizers,power tools,electric logistics vehicles,special vehicles,mini-cars,electric two-wheels,etc.

Product Advantage


◆ Longer life compare to lead acid battery

◆ Up to 60% weight saving

◆ 100% usable capacity

◆ More energy with 1/3 smaller size

◆ Low self discharging

◆ Samsung brand high quality

◆ UL certification, CB,IEC62133 certification

◆ Easy and standard installation

◆ Eco-friendly

◆ Quality guaranteed


--Toys, Power Tools, Home Appliances, Consumer Electronics, 

--BOATS, Golf Carts, SUBMARINES, Electric Bicycles/Scooters, electric vehicles, Electric Wheelchairs, 

--Electric Power Systems, Solar Energy Storage Systems, Uninterruptible Power Supplies, 

--Electric Forklifts

LiFePO4 18650 Li ion rechargeable 18650 batteries cylindrical 18650 lithium battery Car battery(图2)



Who we are

SER Group Limited is a professional leading lithium battery producer and supplier with more than 17years history in China.

Customized Lipo Battery Factory Price 3.7V 603450 Rechargeable Lithium Polymer Battery for Led lamp(图5)

Q1. Can I have a sample order?
A. Yes, we welcome sample order to test and check quality.

Q2. What about the lead time?
A. Sample needs 3 days, mass production time needs 5-7 weeks, it depends on order quantity.

Q3. Do you have any MOQ limit?
A. Yes, we have MOQ for mass production, it depends on the different part numbers. 1~10pcs sample order is available. Low MOQ, 1pc
for sample checking is available.

Q4. How do you ship the goods and how long does it take to arrive?
A. It usually takes 5-7 days to arrive. Airline and sea shipping is also optional.

Q5. How to proceed with an order?
A. Firstly let us know your requirements or application. Secondly, We quote according to your requirements or our
suggestions.Thirdly customer confirms the samples and places a deposit for formal order. Fourthly We arrange the production.

Q6. Is it OK to print my logo on the product?
A. Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7.Which certificates do you have?
A:We have CE/FCC/ROHS/UN38.3/MSDS ...etc.

Q8.How about warranty?
A:1 year warranty

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