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Panasonic 18650 3400mAh NCR18650B Li-ion battery
Panasonic 18650 3400mAh NCR18650B Li-ion battery


 
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Our Price: $17.95



Availability:: IN STOCK - Usually Ships in 24-48 Hours
Product Code: PANASONIC--3400-18650

 
Panasonic 18650 3400mAh NCR18650B Li-ion battery Battery is flat top Capacity (Ah): 3.4 Ah ( 3400mAh) Charging Voltage (V): 4.2 V Energy (Wh): 12.2 Wh Energy Density (Wh/L): 730 Wh/L Nominal Voltage (V): 3.6V-3.7V Weight (g): 45 g Diameter (mm): 18.35 mm (+/- 0.03 mm) Height (mm): 65 mm (+/- 0.03 mm) Top: Flat button top Model: NCR18650B Brand: Panasonic Price is for one (1) battery.

Protection Features:

  • over current protection - 8 Amp cut off
  • over discharge protection - disconnects when voltage reaches 2.5 VDC to protect the battery
  • over charge protection - stops charging when it reaches 4.2 VDC
  • double short circuit protection
  • over heat protection
  • a heat resistant layer to make this power cell safer to use
The below calculations demonstrate that the lower you go in ohms the higher the amp requirement becomes. . Always tend to err on the side of safety when you make your builds by allowing some safety head room.

1.0 ohm = 4.2 amp draw
0.9 ohm = 4.6 amp draw
0.8 ohm = 5.2 amp draw
0.7 ohms = 6 amp draw
0.6 ohms = 7 amp draw
0.5 ohms = 8.4 amp draw
0.4 ohms = 10.5 amp draw <--- safe head room for a 20 amp battery
0.3 ohms = 14.0 amp draw
0.2 ohms = 21.0 amp draw <--- over the 20 amp limit
0.1 ohms = 42.0 amp draw
0.0 ohms = dead short = battery goes into thermal runaway

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