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Lithium Ion Power Tool Rechargeable Battery 18650 21V 3000mAh 4000mAh

Minimum Order Quantity : 500 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-G

Detail Information

Certification: CE UN38.3 ROHS MSDS Type Name: Li-ion Battery
Battery Model: FP-PT-G Application: Power Tools
Cell: 18650 2P5S Nominal Voltage: 21V
Cycle Life: 500 Cycles Capacity: 3000mAh 4000mAh Or Customized
OEM: Acceptable,Welcome,Yes
High Light:

Power Tool Rechargeable Battery 18650


Power Tool Rechargeable Battery 4000mAh


21V 4000mAh Lithium Ion Battery

Product Description

21V 3000mAh 4000mAh   Lithium Ion Battery Pack  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 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.


Lithium Ion Power Tool Rechargeable Battery 18650  21V 3000mAh 4000mAh 0


Q1. Are you Factory,How long to make Battery Pack?
A: We are the Professional Battery Factory,we Need 30day around if we don't have stock of that model.Because need strictly
 test and high temperature,high voltage life aging as well in every single Battery.That will takes a fixed date.
Q2. How to start the cooperate?
A: Lets start with the sample orders. In 5days will be ready the samples, then you test.We make the standard according the
data sheet which we give.Once you confirm the quality, we can talk for further.
Q3. What will be the packing?
A: We are using blister pallet packing in each battery pack. and then fold all packing in one ctn.
Q4. Can the connectors or PCB be customized?
A: Yes, we can choose the right connector according your requirement.Or help to match your device.
Q5. Is OEM/ODM battery pack available?
A: Yes, OEM/ODM battery packs are warmly welcome. Professional engineers provide technical support.

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