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Once again,
Push the limits of battery discharge!
Auline INR21700-S70 4500MAH
Continue 15C/ Burst 30C Discharge Rate.

High Energy Density, High Level of Safety;
Energy Density of A Single Cell
Max 241.3Wh/kg
Discharge Rate of A Single Cell
Max 35C

​Auline New 21700 Li-ion Battery for
Drone, UAV, Energy Storage and Other Application.

Auline released new version 21700 Li-ion Battery in 2025, Ultra high discharge power (Continue 70A discharge current and burst 140A discharge performance) and High Energy Density (241.30Wh/Kg) is mainly features of INR21700-S70.
As well as improving 21700 Li-ion battery to a new level, it can achieve a longer cruising range to meet the needs of drones, electric bikes, e- skids and other applications for high energy storage.

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Require High Performance 21700 Li-ion Battery for your Project

We could meet your requirement.

Comparison of
INR21700-A45 & INR21700-S70

Cell ModelINR21700-A45INR21700-S70
Capacity4Ah4.5Ah
Weight63.5g69g
Energy Density233.07Wh/Kg241.30Wh/Kg
Internal Resistance3.98mΩ2.96mΩ
Full Voltage4.2v4.2v
End Voltage2.5v2.5v
Discharging Rate12C / 24C15C / 30C
Charging Rate0.5C-1C0.5C-2C
Cycle Charge & Discharge Life600 times +600 times +
Work Temperature-15 - 65 ℃-20 - 65℃

Discharge & Charge Curve Display

Auline INR21700-S70 Li-ion Battery Cell, Test Equipment Used: NEWARE CT-4004-5V300A

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Continue discharge with 45A Current

Star & End Voltage: 4.2v & 2.5v
Discharge Capacity: 4.409Ah
Discharging Time: 5mins, 52s
Mid-Discharge Voltage: 3.276v
Max Surface Temperature: 79.8℃

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Continue discharge with 60A Current

Star & End Voltage: 4.2v & 2.5v
Discharge Capacity: 4.255Ah
Discharging Time: 4mins, 15s
Mid-Discharge Voltage: 3.126v
Max Surface Temperature: 86.5℃

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Burst discharge with 120A Current

Burst Discharge Test Set:
Discharging 30A for 10s and Discharging 120A for 5s
Cycle Time: 5 times
Burst Discharging Power: 372W / Single Cell

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Charging with 10A Current

Star & End Voltage: 2.5v & 4.2v
Charge Capacity: 4.494Ah
Charging Time: 26mins, 31s

Extra info about us you like to know:

Auline INR21700-S70 Li-ion Battery

Once again, Push the limits of battery discharge.

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