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A quick look at the popular HG2 18650 cell from LG (LGDBHG21865)
A popular battery and one which is popular for high drain devices and vaping. I test the capacity and some tips on how to spot fake cells visually.
Details from the maker:
Specification:
Model: LGDBHG21865
New 18650 high drain rechargeable battery from LG Chem.
HG2 20 A continuous - capacity 3000 mAh,Maximum discharge current: 30A
Nominal Capacity: 3.0 Ah | 3000mAh
Maximum Continuous Discharge Current: 20A | 20000mA
Full Charge Voltage: 4.2V
Nominal Voltage: 3.6V-3.7V
Made by LG
Operating Temperature (Cell Surface Temperature):
Charging 0 ~ 5 0Deg C
Discharging -20 ~ 75 Deg C
Charging:
Recommended Charge Constant Current: 1.5A 1500mA
LG HG2 can be charged with lower charging current | charging process will take longer.
Maximum Charging Constant Current: 4A | 4000mA
Max. Charging Constant Voltage: 4.2V
End of charge current cutoff: 100mA
Size:
18650
Exact Dimensions: 65.20 mm, 18.50 mm (+/- 0.3 mm)
Weight: 47g
Positive terminal: Flat Top
External Electronic Protection: No (unprotected)
Features
High energy density
High working voltage for single battery cells.
Pollution-free
Long cycle life
No memory effect
Capacity,resistance,Voltage,platform time consistency is good.
With short-circuit production function. Safe and reliable.
High quality
Good consistency. Low self discharge.
Light weight, small size
Applications:
Sub-Ohm devices, various Portable Devices, Power Tools, eBike, EV LED Torch etc.
