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Samsung INR21700-50S 5000mAh - 35A

Additional Information

EAN / GTIN  7417940528540
Weight - g  72
Brand  Samsung
Model  INR21700-50S
Size  21700
Battery chemistry  Li-ion
Voltage  3.6V
Min. capacity - mAh 4,800.00
Typ. capacity - mAh 5,000.00
Battery version  Flat top
Discharge current - A 35.00
Circuit protection  Unprotected
Height - mm 70.62
Diameter - mm 21.25

Availability: In stock

€4.99 (€ 4,12 without VAT)
  • Buy 10 times for €4.20 (€3.47 without VAT)   
  • Buy 50 times for €4.10 (€3.39 without VAT)   
  • Buy 100 times for €3.85 (€3.18 without VAT)   
  • Buy 200 times for €3.65 (€3.02 without VAT)   
  • Buy 600 times for €3.45 (€2.85 without VAT)   
  • For solder tags a setup fee of 5 euro per order will be added to shipping cost:

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€4.99

Description

Details

Capacity: 5000mAh
Rated Voltage 3.6V - 3.7V
Charging cycle termination voltage 4.20V ± 0.05V
max discharge current: 35A
Do not discharge deeper than 2.5V
Plus pool: Flat top
Chemistry: Li-ion
Protection circuit: Without
Diameter: 21.25mm
Height: 70.62mm
Weight: 72.7g

Additional Information

Details

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Reviews

Customer Reviews

Good quality Review by Szabolcs
Rating
Maximum current hasn't been tested, but the capacity is as described. The internal resistance is low (<12mohm (1khz)) they were equalized - exactly same voltage each. (Posted on 11-10-24)
Strong player 50s Review by Marek
Rating
It is undoubtedly a strong player, I built a 20s 7p battery, i.e. about 35Ah, and loads of around 150Amperes do not make a big impression on these cells. They work great in stronger structures, and I know for sure that frequent momentary (30 sec) loads of around 20 amperes per cell do absolutely no harm to them. My discharge counter currently shows 97 and after connecting the battery to the EBC discharger, the capacity still oscillates around 34Ah. I recommend it because it is a really good piece of energy. (Posted on 28-08-24)
Not bad choice of 21700 with 5000mah Review by Roman
Rating
Usually capacity 5000mah is in place. Some orders came with less capacity (need to exactly discharge to 2.5v to get 5000mah). Each cell vary the internal resistance 10.5~12mOhms, so there is no consistency. I would like to get more stable capacity and resistance numbers from Samsung for not the cheapest price on market (Posted on 21-06-24)
The batteries are very good Review by Petko
Rating
The batteries are very good and meet factory specifications. the internal resistance is 10.6 mΩ and the capacity is 5000 ma. (Posted on 17-01-24)
Perfect Review by OLEG
Rating
Delivery is a little bit longer than expected but better is perfect. Thank you. (Posted on 23-12-23)
Samsung INR21700-50S 5000 mAh – 35 A Review by Andreas
Rating
Die besten Akkus in dem Format zum Dampfen.
Vape on! (Posted on 15-09-23)
Puissantes, faible auto-décharge. Review by Philippe
Rating
J'ai utilisé dix de ces cellules pour construire une batterie à BMS la plus compacte possible pour placer dans un tube de vélo pliable afin d'alimenter un moteur central de 36 volts / 250w. Je ne pensais pas parcourir autant de km (+ de 50) avec aussi peu de cellules. Essai concluant.
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I used ten of these cells to build the most compact BMS battery possible to place in a collapsible bicycle tube to power a 36 volt / 250w mid motor. I did not expect to travel so many km (+ 50) with so few cells. Conclusive test. (Posted on 28-12-22)

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Take care

  • Li-ion batteries can be dangerous when used wrong, short circuit or wrong usage can lead to fire or an explosion
  • Do not put the battery in a charger or equipment with wrong terminals connected
  • Never short cut the battery. Take care you don’t short cut it accidentally, do not put it in your pocked together with bunch of keys
  • Do not disassemble or deform the battery. Dispose it if the battery is deformed
  • Do not immerse in water
  • Avoid excessive physical shock or vibration
  • Do not expose to, dispose of the battery in fire
  • Keep out of the reach of children
  • Never use a modified or damaged charger
  • Do not leave battery in charger over 12 hours
  • Store the battery in a cool, dry and well-ventilated area
  • Dispose of in accordance with local regulations
  • Do not solder on these cells