IMREN 21700 3.7V 4000mAh Battery 35A (Pack of 2) Review
IMREN 21700 4000mAh 3.7V 35A RECHARGEABLE BATTERY – PACK OF 2
The IMREN 21700 4000mAh 35A Rechargeable Battery is engineered for high-drain performance and reliable power delivery. Designed in a flat top 21700 format, this battery offers strong capacity and stable output, making it suitable for compatible high-performance devices.
Built for consistent discharge rates and dependable charging cycles, this unprotected cell provides powerful performance in a compact cylindrical design.
Specifications:
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Size: 21700
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Style: Flat Top
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Nominal Capacity: 4000mAh (Max)
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Max Continuous Discharge: 35A
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Nominal Voltage: 3.60–3.70V
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Full Charge Voltage: 4.2V ± 0.05V
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Discharge Cut-Off Voltage: 2.50V
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Dimensions: 70.80mm (Max) x 21.80mm (Max)
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Weight: Approx. 70g
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Protection: Unprotected
Charging & Operating Conditions:
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Standard Charging: Constant Current 2000mA / Constant Voltage 4.2V
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Charging Temperature Range: 0°C to 50°C
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Discharging Temperature Range: -10°C to 70°C
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Pack of 2 Batteries
Warning:
-Battery may explode or catch fire if mistreated.
-Do not disassemble or incinerate.
-Do not expose to water or fire.
-Do not short circuit.
-Do not place loose batteries in a pocket, purse, or other receptacle containing metal objects
-Do not over-discharge/overcharge, if allowed to drop past2.5 volts, chargers will no longer be able to charge these batteries.
-Keep away from children.



