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16.8V 21V Power Tool Rechargeable Battery 3000mAh 4000mAh

Minimum Order Quantity : 500PCS Price : Negotiated The Price
Packaging Details : Customer requirements Delivery Time : 30-45 work days
Payment Terms : T/T, D/P, D/A, L/C Supply Ability : 800PCS /Day
Place of Origin: CHINA,GuangDong Brand Name: FUNPACK
Model Number: FP-PT-H

Detail Information

Certification: CE UN38.3 ROHS MSDS Battery Model: FP-PT-H
Application: Power Tools Cell: 2P5S/2P4S 18650
Nominal Voltage: 16.8V/21V Cycle Life: 500 Times
Capacity: 3000mAh/4000mAh Or Customized OEM: Acceptable,Welcome,Yes
High Light:

3000mAh Power Tool Rechargeable Battery


4000mAh Power Tool Rechargeable Battery


Power Tool Battery Packs 16.8V

Product Description

16.8V 21V 2S5P 2P4S Lithium Ion Battery Pack 3000mAh 4000mAh For Power Tools


Product Description:

The battery pack has long cycle life, which conforms to the principle of low carbon, energy conservation and environmental


Low recurring operating expense.

Battery cycle life is high, in line with low carbon, energy saving, environmental protection values.

With plastic and nice in constitution.

Good recycle life.


Product basic information:

Item Specification
Cell Lithium Ion battery pack
Battery Model FP-PT-G
Max Capacity 4000mAh/3000mAh
Shipment Voltage 16.8V/21V
Minimum Capacity 3900mAh/2800mAh
Standard Charging 800mA/21V/0.2C
Fast Charging 200mA/21V/0.5C
Maximum Discharging Current 40A/21V/10C
Discharging Cut-off Voltage 15V
Battery Pack Impedance ≤300mΩ


Basic Specification:

Item Specification
Overcharge Protection Detection Voltage 4.25±0.025 V
Overcharge Protection Delay Time 0.7s~1.3s
Test Temperature 20±5℃
Relative Humidity 45~85% RH
Atmospheric Pressure 86~106 KPa
Initial Impedance ≤300mΩ
Initial Capacity ≥3900mAh
Cycle Life about 500 times
Shipments Battery Charge 17.5-19V


Main Applications :

Electric Bikes, Scooters, Skateboard, Trikes(Pedicabs,Rickshaw), Motorcycles, tool, golf cart, wheel  and so on.

16.8V 21V Power Tool Rechargeable Battery 3000mAh 4000mAh 0

16.8V 21V Power Tool Rechargeable Battery 3000mAh 4000mAh 1


Q1: Are you factory?
A: Yes, we are professional manufacturer for polymer batteries since 2017
Q2: What is MOQ for this product in your company?
A: 1000pcs.
Q3: When you ship my order?
A: Normally 35-45days after payment confirmed, but it can be negotiated based on order qty and production schedule.
Q4: Can I get the pre-production sample?
A: Yes, we will send you sample for approval first, after you confirm, then we will start mass production order.
Q5: How can you guarantee the production quality?
A: We have more than 5 years experience of polymer battery production. Our production quality follow strict control program.
We have 3 times inspection for finished product before package. All of our batteries are 100% tested and installed before shipment.


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