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21700 Battery 3000mAh 40A High Energy Density Li-Ion

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21700 Battery 3000mAh 40A High Energy Density Li-Ion

Brand Name : OiD

Model Number : INR21700N30A40

Certification : BIS, KC, BSMI, CB, UL, CCC

Place of Origin : China

MOQ : 100pcs

Price : $0.5 ~ $100.0 / pcs

Delivery Time : 3 ~ 7 days for storage

Payment Terms : TT,L/C,Western Union

Name : 21700 Battery

ODM : Free custom design for packs

Battery Type : 3000mAh Rechargeable

Cathode : NCM or NMC

Higher Energy Density : LongerrRuntime for 20-30% more energy than 18650 cells

Superior Power Output : Higher discharge rates (up to 40A)

Cost-Effective & Space-Saving : Reduce pack weight and cost by requiring fewer cells in series and parallel

Future-Proof : Ensure compatibility with next-gen tech for high-demand applications

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INR21700N30A40 3.7V 3000mAh 40A 500 Cycles 21700 Battery

Product Name

INR21700N30A40 21700 Battery

Advantages

High energy density and long cycle life
Superior high-rate discharge capability for demanding applications
Enhanced safety and thermal stability
Certified for compliance with international standards

Specifications

Parameter	Value
Model	INR21700N30A40
Nominal Voltage	3.7V
Nominal Capacity	3000mAh
Charging Voltage	4.20V ± 0.05V
Discharge Cut-off Voltage	2.50V
Max Charging Current	6.0A
Max Continuous Discharge Current	40A
Weight	≤68.0g
Dimensions	Diameter: ≤21.40mm, Height: ≤70.45mm
Internal Resistance	≤15mΩ
Energy Density	Volume: 438Wh/L, Weight: 163Wh/kg
Terminal Type	Standard 21700 flat top or button top (customizable)

Cycle Life

Condition	Cycles	Capacity Retention
4A Charge / 15A Discharge	500	≥70%
6A Charge / 30A Discharge	300	≥60%
6A Charge / 40A Discharge	200	≥60%

Discharge Curve

21700 Battery 3000mAh 40A High Energy Density Li-Ion

Operating Temperature Range

Condition	Temperature Range
Charging	0°C to 50°C
Discharging	-20°C to 75°C
Storage	-20°C to 45°C (recommended for long-term storage)

Certifications

BIS, KC, BSMI, CB, UL, CCC

Key Features

High discharge rate up to 40A
Excellent thermal stability and safety
Long cycle life with minimal capacity degradation
Environmentally friendly and RoHS compliant

Applications

Electric tools (e.g., drills, saws)
Floor cleaning machines (e.g., scrubbers, sweepers)
Vacuum cleaners
High-power portable devices

21700 Battery 3000mAh 40A High Energy Density Li-Ion

Usage Warnings & Precautions

Use only with compatible chargers and devices.
Avoid short-circuiting, overcharging, or over-discharging.
Do not expose to high temperatures, fire, or water.
Keep away from children and pets.

Storage Guidelines

Store at 20±5°C with 50% SOC for optimal performance.
Avoid storing in high humidity or extreme temperatures.
Recharge every 6 months if stored for extended periods.

Warranty & Disclaimer

12-month limited warranty from the date of purchase.
Warranty does not cover damage due to misuse, improper charging, or unauthorized modifications.
Manufacturer is not liable for accidents caused by improper use.

Product Tags:

High Energy Density 21700 Battery

21700 Battery 40A

3.7 V 3000mAh Li Ion Battery

21700 Battery 3000mAh 40A High Energy Density Li-Ion Images

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