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  • Amprius INR21700-60Q 21700 lithium battery
  • Amprius INR21700-60Q 21700 lithium battery
  • Amprius INR21700-60Q 21700 lithium battery

Amprius INR21700-60Q 21700 lithium battery

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Max. discharge current 110A @ 80℃ temperature cutoff, Max. pulse discharge 150A (2-second discharge) ,Initial internal impedance≤5mΩ
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  • Detail

    Rechargeable cylindrical Li-ion cell

    Amprius INR21700-60Q

    A 6000mAh, 21Wh 21700-format cell engineered to unite high energy with strong discharge capability. The 60Q supports up to 60A discharge at room temperature, 12A maximum charging and a 150A pulse for 2 seconds under the specified conditions.

    • 6000mAh
    • 3.50V nominal
    • 21Wh
    • 60A at room temperature
    • 21700 format

    INR21700 / 60Q Specification Rev. A - May 5, 2026

    Performance at a glance

    Core ratings are stated under the test conditions defined in the product specification. System-level performance depends on cell temperature, pack design and control strategy.

    6000mAhNominal / minimum capacity
    60AMax discharge at room temperature
    12AMaximum charge current
    ≤5mΩInitial AC impedance at 1kHz

    Technical specifications

    Electrical, mechanical and environmental parameters for engineering evaluation and pack integration.

    Electrical characteristics

    Nominal capacity
    6000mAh
    Minimum capacity
    6000mAh
    Nominal voltage
    3.50V
    Rated energy
    21Wh
    Limited charge voltage
    4.20V
    Discharge cut-off voltage
    2.50V
    Delivery voltage
    3.4-3.6V
    Initial AC impedance
    ≤5mΩ
    DCIR at 25°C
    <20mΩ
    DCIR at -20°C
    <100mΩ

    Current and charging

    Recommended charge
    CC-CV, 1.2A to 4.2V
    Recommended discharge
    CC, 1.2A to 2.5V
    Maximum charge current
    12A (2C)
    Max. discharge at room temperature
    60A
    Temperature-cut discharge
    110A to 80°C*
    Maximum pulse discharge
    150A for 2s*
    Pre-charge voltage range
    1.0-3.0V
    Pre-charge current
    0.1-0.5C

    Mechanical data

    Cell format
    21700 cylindrical
    Diameter
    21.30 ± 0.10mm
    Height
    70.50 ± 0.30mm
    Weight
    ≤72g

    Temperature ranges

    Charge
    0 to 60°C
    Discharge
    -40 to 75°C
    Storage up to 6 months
    -20 to 25°C
    Storage up to 3 months
    -20 to 45°C
    Storage up to 1 month
    -20 to 60°C
    Storage humidity
    60 ± 25% RH

    *The 110A temperature-cut discharge and 150A/2s pulse ratings are specified as not for cycling.

    Discharge performance

    Relative capacity results from the specification help engineers compare output across discharge rates and temperatures.

    Discharge current 1.2A 6A 18A 30A 50A
    Relative capacity at room temperature 100% 97% 95% 95% 90%
    Discharge temperature -40°C to 2.2V -20°C 0°C 25°C 60°C
    Relative capacity at 6A 50% 70% 85% 100% 100%

    Cycle-life reference

    Cycle results are tied to the exact charging, discharge, rest and temperature limits shown below.

    Charge condition Discharge condition Rest periods Specified result
    6A CC to 4.2V, then CV to ≤300mA 6A CC to 2.5V 10 min after charge; 30 min after discharge ≥80% initial capacity after 800 cycles
    6A CC to 4.2V, then CV to ≤300mA 30A CC to 2.5V or 75°C 10 min after charge; 30 min after discharge ≥80% initial capacity after 300 cycles

    Safety test profile

    The specification reports no explosion and no fire under its defined forced-discharge, overcharge, external short-circuit, drop, heating and crush test methods.

    Professional integration required

    This is a rechargeable Li-ion cell, not a protected consumer battery. Use only with a validated battery-management system, suitable current protection, qualified thermal design and a charger configured for the stated limits. Do not short-circuit, crush, disassemble, immerse, reverse-connect or expose the cell to fire. Do not mix cells of different makes, types or models.

    Specifications shown here summarize Amprius INR21700/60Q Product Specification Rev. A dated May 5, 2026. Verify the latest manufacturer specification and validate performance in the final pack before design release.

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