Tenpower INR21700-50XG 21700 5000mAh Li-ion Battery Cell
The Tenpower INR21700-50XG 21700 5000mAh battery is a high-rate cylindrical lithium-ion cell from Huaiian Tenpower Lithium. It delivers 40A continuous discharge, 140A pulse, and stable performance for power tools, LEVs, and custom battery packs.
Large stock available. Competitive wholesale pricing for bulk orders.
Key Advantages
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5000mAh nominal capacity, 4950mAh minimum.
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40A continuous discharge without temperature cut-off.
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90A discharge with 75°C temperature cut-off.
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140A pulse discharge for 3 seconds.
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15A maximum charge current.
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Low internal impedance: ≤4mΩ at 1kHz.
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500 cycle life: ≥60% capacity after 500 cycles at 6A charge / 40A discharge.
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Compact size: max 21.50mm diameter, max 70.50mm height.
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Weight: ≤75g.
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Safety tested: overcharge, over-discharge, short circuit, crush, heat shock, drop, vibration, mechanical shock. No fire, no explosion.
Specifications
| Item | Specification |
|---|---|
| Model | INR21700-50XG |
| Brand | Tenpower |
| Nominal capacity | 5000mAh |
| Minimum capacity | 4950mAh |
| Nominal voltage | 3.6V |
| Charge limit voltage | 4.2V |
| Discharge cut-off voltage | 2.5V |
| Standard charge | 0.5C (2.5A), 4.2V, 100mA cut-off |
| Max charge current | 15A |
| Max continuous discharge | 40A (no temp cut-off); 90A with 75°C cut-off |
| Pulse discharge | 140A, 3s |
| Internal impedance | ≤4mΩ |
| Weight | ≤75g |
| Dimensions | ≤21.50mm diameter x ≤70.50mm height |
| Operating temperature | Charge: 0–45°C; Discharge: -20–60°C |
| Cell surface temperature | Charge: 0–60°C; Discharge: -20–80°C |
| Cycle life | ≥60% after 500 cycles (6A charge / 40A discharge) |
| Storage temperature | 1 year: -20–25°C; 3 months: -20–45°C; 1 month: -20–60°C |
| Shipment state | Below 30% charge; OCV 3.50–3.59V |
Typical Applications
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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
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Backup power
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Custom 21700 battery packs
Wholesale Tenpower 21700 Cells in Stock
We supply the Tenpower INR21700-50XG to overseas buyers, distributors, and OEM manufacturers. If you need a stable 21700 battery supplier for repeat orders or bulk production, we offer large stock and competitive pricing.
FAQ
What is the Tenpower INR21700-50XG?
It is a 21700 5000mAh battery with 40A continuous discharge and 140A pulse capability.
How long does it last?
Tested to 500 cycles at 6A charge / 40A discharge, with ≥60% capacity retention.
What is the max discharge current?
40A continuous without temperature cut-off, 90A with 75°C cut-off, and 140A pulse for 3 seconds.
Is it a standard 21700 size?
Yes. It measures max 21.50mm diameter and max 70.50mm height.
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.
🌐 Website: www.becellbattery.com
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