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Whole catalog Power suppliesBatteriesLi-Ion, Li-Po, Li-FePO4 batteries
Код товара:
045453

Battery Li-ion Samsung INR18650-25R, 2500mAh, 20A b/high current protection

​Lithium-ion battery. Without protection board, without protruding positive contact. High discharge current. For power tools, electric vehicles.

Battery Li-ion Samsung INR18650-25R, 2500mAh, 20A b/high current protection
Manufacturer: SAMSUNG ELECTRONICS (SAMSUNG)
NOT available.
Expected price: 186,80 UAH
from 1 pc : 186,80 UAH
from 4 pcs : 183,20 UAH ( -1,9%)
from 10 pcs : 179,40 UAH ( -4,0%)
Prices are indicated at the time of product availability and may change upon receipt

Current balances:

NOT available

Technical documentation

Изображение товара

Product description format_size zoom_out zoom_in

Case design - without protruding positive contact, without protection board.
Be careful that there is no protruding “plus” - for assembly into bags. Not all flashlights and other devices with quick-detachable batteries are suitable for installation - some only require a protruding “plus”!
Recommended for power tools, electric vehicles and other devices with high current consumption.
Fast charge current 4A.
 
Characteristics:
  • element type: Li-ion
  • manufacturer: Samsung, China
  • standard size: 18650
  • nominal capacity: 2500 mAh
  • internal resistance: 18 mOm
  • built-in security controller: no
  • rated voltage: 3.7V
  • minimum voltage: 2.5V
  • maximum voltage: 4.2V
  • standard charge current: 1.25A
  • maximum charge current: 4A
  • maximum discharge current: 20A
  • element diameter: 18.5 mm
  • element length: 65 mm
  • weight: 45 g
  • number of charge-discharge cycles: 800
  • charge/discharge cycles: capacity drops to 60% of the nominal value after 250 cycles with a discharge current of 20A

Optimal storage conditions for Li-ion batteries are achieved at a 40% charge of the battery capacity and a temperature of 0...10°C.
Charge lithium-ion batteries only with specialized chargers.
 
Li-ion 18650 batteries are the most popular battery format for flashlights at present. Combines very high capacity and low self-discharge. Disadvantage - they shrink quickly at low temperatures (from -10°C degrees).

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