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- Product Name: 2 Series 7.4V 8.4V 18650 Lithium Battery Protection Board With Balanced 20A Current
- Item NO.: 2S20A
- Weight: 0.1 kg = 0.2205 lb = 3.5274 oz
- Category: Electronic Modules > Power Module
- Tag: 18650 , 7.4V , 8.4V , Lithium Battery Protection Board , 2s , 2 Series , Balanced , 20A
- Creation Time: 2024-03-24
2 Series 7.4V 8.4V 18650 Lithium Battery Protection Board 20A
Product Description:
Scope of application: Suitable for lithium batteries with a nominal voltage of 3.7V and a fully charged voltage of 4.2V (including 18650, 26650, polymer lithium batteries, without any limitations on external dimensions)
Product size: 45 * 15 * 3.4mm (standard version)
Product weight: 2.9g (standard version)
Charging voltage: 8.4V -9.0V
Continuous discharge current (upper limit): 20A (If the cooling environment is not good, please reduce the load current for use)
Continuous charging current (upper limit): 10A
Standard version: Suitable for electric drills with a starting current of less than 25A and a power of less than 50W, or resistive loads with a power of less than 168W.
Note 1: Successfully starting the drill requires 2 10C-20C power batteries or 4 5C-10C power batteries (regular 18650 cannot start the drill!!!); 0V and 8.4V connecting wires, use copper wires with a size of 2 square millimeters or more (nickel sheets cannot be used!!!).
Attention 2: Strictly follow the diagram to wire 0V, 4.2V, and 8.4V. When connecting the battery for the first time, it needs to be charged first before there is an output.
Note 3: When charging the battery, it is normal for the "430" resistor to generate heat, indicating that the equalization circuit is working; If the "430" resistor also heats up without charging, please check if it is connected incorrectly.
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