INR21700-5000Q 21700 5000mAh Li-ion Battery Cell
Looking for a reliable 21700 battery cell supplier? We stock the INR21700-5000Q, a 5000mAh 3.6V 21700 lithium-ion battery for battery pack manufacturers, distributors, and OEM buyers.
Large stock available. Competitive wholesale pricing for bulk orders.
Why Buyers Choose This 21700 Cell
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5000mAh 21700 nominal capacity, 4950mAh minimum.
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High drain 21700: 50A continuous discharge at room temperature for cycling.
High drain 21700: 50A continuous discharge at room temperature for cycling applications. The rate discharge curve below shows stable capacity retention from 0.5C to 12C, including 50A and 60A discharge.

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125A discharge with 75°C cut-off for non-cycling use.
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10A fast charge 21700 capability, with 5A standard charge.
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Low internal resistance: <5mΩ AC, <20mΩ DCIR at 25°C.
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Cycle life: ≥70% capacity after 300 cycles.

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Safety tested for overcharge, forced discharge, short circuit, drop, heating, and crush.
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One-year warranty from shipment.
Common Applications
This 21700 rechargeable battery is suitable for:
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Power tools
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E-bikes and LEVs
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Vacuum cleaners
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Energy storage and backup power
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Custom 21700 battery packs
Key Specifications
| Item | Specification |
|---|---|
| Model | INR21700-5000Q |
| Nominal capacity | 5000mAh |
| Minimum capacity | 4950mAh |
| Nominal voltage | 3.6V |
| Charge limit voltage | 4.20V |
| Discharge cut-off voltage | 2.50V |
| Standard charge | 5A CC-CV, 100mA cut-off |
| Max continuous charge | 10A (2C) |
| Max continuous discharge | 50A @ RT for cycling |
| Pulse discharge | 180A, 2s |
| AC impedance | <5mΩ |
| DCIR | <20mΩ at 25°C |
| Weight | 70.0 ± 2.0g |
| Dimensions | 21.70 ± 0.2mm x 70.80 ± 0.3mm |
| Operating temperature | Charge: 0–60°C; Discharge: -40–80°C |
| Warranty | 1 year from shipment |
Wide Temperature Discharge Performance
The INR21700-5000Q maintains strong capacity retention across a wide temperature range: about 84.6% at -20°C, 93.1% at 0°C, 100% at 25°C, and over 100% at 45°C and 60°C.

Wholesale 21700 Cells in Stock
We supply bulk 21700 battery cells to overseas buyers. If you need a stable 21700 cell supplier for repeat orders, OEM projects, or battery pack production, we can support you with large stock and competitive pricing.
FAQ
Are you a 21700 battery supplier?
Yes. We supply the INR21700-5000Q and other 21700 lithium-ion battery cells for wholesale and bulk orders.
What is the INR21700-5000Q?
It is a 5000mAh 3.6V 21700 cell with 50A continuous discharge and 10A charge capability.
Can I use this cell for battery packs?
Yes. It is suitable for 21700 battery packs in power tools, LEV, vacuum, and energy storage applications.
Do you offer wholesale pricing?
Yes. Pricing depends on quantity, destination, and order terms. Contact us for current bulk pricing.
Request a Quote
Send your target quantity, application, and delivery country. We will reply with current price, stock availability, MOQ, and lead time.
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