Ampking AK4030 21700 High-drain Li-ion Battery 35A 3000mAh

Ampking AK4030 21700 High-drain Li-ion Battery 35A 3000mAh

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The Ampking AK4030 21700 Li-ion Battery is a high performance battery with 3000mAh capacity. The Ampking AK4030 battery is widely used for powering vaping mods and other electrical devices. It also has been tested extensively and can handle some serious current in a long period.


Size: 21700 (21mm diameter x 70mm long)
Type: Li-ion (Rechargeable)
Nominal voltage: 3.60V
Nominal capacity: 3000mAh
Discharge cut-off voltage: 2.50V
Max charging current: 4.0A
Standard charge: CCCV, 1.5A, 4.2V, 150mA cut-off
Rapid charge: CCCV, 4A, 4.2V, 100mA cut-off
Continuous discharge current: 35A (Lower than 80°C)
Max. Short Peak Discharge CC: 50A
Charging temperature range: 0-50°C
Discharging temperature range: -20-80°C
Recommend storage temperature: -30-25°C
Positive: Flat
Protected: No

Batteries are sold as a single unit, not a pair as pictured.

NOTE: Lithium batteries can not be sent Express Post unless installed in a device. Loose batteries can only be shipped by Road, which will take longer than normal post.