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21700 Battery Supplier China 40T Lithium Ion Battery Cell for Power Tools

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21700 Battery Supplier China 40T Lithium Ion Battery Cell for Power Tools

Brand Name:	Samsung
Model Number:	INR21700-40T
MOQ:	130
Price:	$1.5
Packaging Details:	130pcs/Carton box
Payment Terms:	T/T

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

Tianjin

Certification:

UN38.3/CE/UL/IEC62133/KC/BIS

Document:

Supply Ability:

500K/Month

Highlight:

21700 lithium ion battery cell

40T 21700 cell for power tools

21700 cylindrical battery cell

Product Description

21700 Battery Supplier China 40T Lithium Ion Battery Cell for Power Tools

The Samsung INR21700-40T is a high-performance rechargeable lithium-ion cell featuring 4000mAh capacity and up to 35A continuous discharge, delivering consistent power and reliable performance for demanding, high-drain applications.

Cell Characteristics

Specification	Value
Capacity	Typical 4000mAh
Cell Voltage	Nominal 3.6V Charge 4.2V Discharge 2.5V
Continuous Charge Current	Standard 2A Maximum 6A
Charge time	Standard 150min
Continuous Discharge Current	Maximum 35A
Ambient Temperature	Charge 0 to 60℃ Discharge -20 to 60℃
Impedance	≤13mΩ
Weight	70g
Dimension	70.3mm(Max)*21.25mm(Max)
Cycle life	600cycle(60%)

Key Features

Large Capacity: 4000mAh capacity delivers longer working time on a single charge
High Discharge Rate: 35A continuous discharge rating, perfectly suited for medium and high-power loads
Lithium-Ion Chemistry: Low internal resistance, high efficiency and dependable working performance
Rechargeable & Long-Lasting: Tolerates repeated charging cycles with little capacity loss
Output Stability: Stable voltage curve during discharge ensures continuous power output
Compact 21700 Size: Universally compatible with a wide range of electronic devices

Applications

Flashlights: Ideal for high-lumen LED torches requiring consistent power
Medical Devices: Reliable power source for essential equipment
Power Banks & Backup Systems: Supports portable energy solutions
Lightweight Power Equipment: Auxiliary power for robot vacuums, e-bikes, e-scooters and electric fishing boats
Power Tools: Delivers strong peak current for drills, angle grinders, electric saws and other high-current tools

Warning

Lithium-ion batteries require proper handling and knowledge to ensure safe operation
Failure to follow safety guidelines may result in fire, explosion, serious injury, or property damage
Only purchase and use if you fully understand lithium-ion battery safety
Never leave a battery unattended while charging
Keep away from animals and children
Prevent contact with metal objects to avoid short circuits
Inspect wraps and insulators regularly for damage - repair or dispose of damaged batteries immediately
Resellers must pass these warnings to customers
Typical cycle life of 250 cycles before noticeable capacity reduction - recycle at end of life
Do not crush, incinerate, or modify batteries
Only use within manufacturer specifications

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

Falah

Italy Oct 20.2026

trustpilot.com

Helpful (3690)

“I’m very satisfied with the INR21700-40T battery. It offers excellent power output, stable performance, and reliable quality. The battery works well in high-drain applications and meets my expectations in terms of performance and consistency. The product description is clear, and the overall experience has been very positive. I would recommend this battery to anyone looking for a dependable 21700 lithium-ion cell.”

Adel

Poland Mar 1.2026

trustpilot.com

Helpful (4205)

Ta bateria ma 5000 mAh, dobry prąd rozładowania 25 A i 3,6 V. Lubię tę baterię

Simon Khumalo

Italy Nov 5.2025

trustpilot.com

Helpful (246)

Good cells, with perfect customer service. Thanks

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products details

18650 Cylindrical Cells

21700 Cylindrical Cells

Full Tab Cylindrical Cells

LiFePO4 Prismatic Cells

12.8V LiFepo4 Battery

25.6V LiFepo4 Battery

Home Energy Storage Batteries

LiFePO4 Cylindrical Cells

Semi Solid State Power Bank

21700 Battery Supplier China 40T Lithium Ion Battery Cell for Power Tools

21700 lithium ion battery cell

40T 21700 cell for power tools

21700 cylindrical battery cell

Overall Rating

Rating Snapshot

All Reviews

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