5S 18V 21V 65A BMS 18650 Lipo Battery Screwdriver Charger Protection Board For Angle Grinder/electric Drill/wrench /hQS-B105DY-60Aammer

Price:

4.91


5W CREE XTE S3 High Power LED 8-20mm PCB Emitter Warm Neutral White Blue
5W CREE XTE S3 High Power LED 8-20mm PCB Emitter Warm Neutral White Blue
1.08
1.08
30W 40W 50W Driverless LED Light COB Chip Spotlight Size 110x58mm Emitting 60x30mm
30W 40W 50W Driverless LED Light COB Chip Spotlight Size 110x58mm Emitting 60x30mm
5.22
5.22

5S 18V 21V 65A BMS 18650 Lipo Battery Screwdriver Charger Protection Board For Angle Grinder/electric Drill/wrench /hQS-B105DY-60Aammer

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Categories :
Electrical Tools BMS
SKU :
2244783
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Features:

  • 1: Widely used

  • 2: A variety of specifications

  • 3: High power

  • 4: With perfect and stable charging and discharging protection functions

  • 5: Using mature protection circuit, dedicated IC, TVS spike protection, high current and low internal resistance MOS

Parameter:

  • Product structure: 21V lithium battery protection board

  • Product specifications: high configuration version, standard version

  • The protection board is a ternary 5-string lithium battery protection board, specially designed for high-power electric tools. Using mature protection circuit, dedicated IC, TVS spike protection, high current and low internal resistance MOS. The overall internal resistance of the protection board is as low as 1.5 milliohms, and the peak current is 65A. It has perfect and stable charging and discharging protection functions. Be careful not to short-circuit, because the short-circuit current is very large and it is easy to burn the battery and the protection board.

Function introduction:

  • The protection board can be used for high-power electric tools, 18650 battery pack (three yuan 5 strings 21V): electric wrench, angle grinder, electric hammer, etc.

Common problem:

1. Can my battery use this protection board?

Answer: There are two questions to consider whether you can use this protection board: First, how many strings your battery is, you have to buy the protection board corresponding to the number of strings. Second, what material is your battery? We have protection boards with two parameters: lithium iron phosphate and polymer. If your battery is a single-cell lithium iron phosphate with a nominal 3.2V, you need to choose lithium iron phosphate 3.2V in the category. Yes, if it is a polymer (ternary, cobalt acid, lithium manganate battery) single-cell battery with a nominal 3.6V (or 3.7V), please choose the classification of ternary 3.7V.

2. How can I judge what material my battery is made of?

Answer: You can take a look at the nominal voltage of your battery. Lithium iron phosphate batteries are generally rated at 3.2V, and other batteries are generally rated at 3.6V or 3.7V. You can also directly ask the seller of the battery what material is the battery. Many buyers say that my battery is 18650 or 26650 soft pack, etc. This is the shape, not the material! We cannot determine your battery protection parameters based on this.

3. How many protective plates should I choose?

Answer: How many ampere protection boards to choose depends on your load power. Our protection boards, if you use split-port output, the output current is about 70A, and the power is about 800W. If you use the same port output, the output current is 50A, power It is about 600W. 4. My battery is 20AH, can I use this protection board?

Answer: The size of your battery capacity is actually not directly related to the size of the current using this board. Large capacity is not a large battery. It mainly depends on the continuous current. That is to say, the greater your load, the continuous current of the protection board you choose The larger it is, it has no direct relationship with the battery capacity.

5. How should the charger voltage be set?

Answer: Lithium batteries must be charged with special chargers for lithium batteries. Remember, the charger voltage setting: Use your battery string number * 4.2V. This is the charging voltage of non-ferrous lithium batteries. The charging voltage of lithium iron batteries is the battery string. Number*3.60V This is the charging voltage of the iron-lithium battery, and the charging current standard is 0.2 times the capacity.

Package Included:

1* Lithium battery protection board