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Rechargeable 16.8V 21V Lithium Ion Battery Pack 3000mAh 4000mAh For Power Tools

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-D

Detail Information

Certification: CE UN38.3 ROHS MSDS Type Name: Li-ion Battery
Battery Model: FP-PT-D Application: Power Tools
Cell: 18650 2P5S/2P4S Nominal Voltage: 21V/16.8V
Cycle Life: 500 Times Capacity: 3000mAh 4000mAh Or Customized
High Light:

3000mAh Lithium Ion Battery Pack


4000mAh Lithium Ion Battery Pack


21V Lithium Ion Battery

Product Description

Power Tool Lithium Ion Battery Pack 21V 3000mAh 4000mAh 16.8V 3000mAh 4000mAh


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-D
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 :

Customized for power tools ,Customers can customize.

Rechargeable 16.8V 21V Lithium Ion Battery Pack 3000mAh 4000mAh For Power Tools 0

Q1: Are you a trading company or manufacturer?What is your terms of payment?
A: T/T 30% as deposit, and 70% balance payment before shipment. We'll show you the photos of the products

and packages before shipment.

Q2: What's your battery product range?

A: The battery range we can make is voltage from 3.2V to 100V, Capacity from 1Ah to 100Ah.

Q3: Can you do OEM and ODM?

A: Yes, OEM and ODM are both acceptable. You can provide the detailed specification requirements to us, our

engineers can design the most suitable battery solution for you.

Q4: Is it possible to buy a sample to test?
A: Yes. You can buy a sample to test.

Q5. Are you a trading company or manufacturer?
A: We are professional manufacturer specialized in Lithium ion batteries and LiFePO4 batteries for Electric bicycle,

Electric scooter, Electric motorcycle, Electric Tricycle, Sharing bike, vacuum cleaners, Energy storage system for

Industrial and household, as well as customized battery packs application.

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