🔋 INR21700-50Q – High‑Capacity, High‑Rate 21700 Battery for Tough Jobs
Perfect for: Power tools, e‑bikes, robots, drones, starting power, and portable energy storage. This 21700 5000mAh battery delivers high-rate 50A discharge with ultra-low internal resistance, handling extreme cold down to -40℃ without compromising performance or safety.
📊 Core Specs (at a glance)
| Parameter | Value |
|---|---|
| Capacity | 5000mAh (min. 4950mAh) |
| Nominal Voltage | 3.6V |
| AC Internal Resistance | < 5mΩ (ultra‑low, less heat) |
| Max Charge Current | 15A (3C) – fast recharge |
| Max Discharge Current | 50A (10C) continuous / 180A pulse (2s) |
| Discharge Temp | -40℃ ~ 80℃ (works in extreme cold) |
| Cycle Life | 300 cycles @ 50A → ≥60% capacity |
| Weight | ≤72g |
| Dimensions | 21.70×70.80 mm (standard 21700) |
💡 Why Choose This Cell?
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⚡ Unmatched Power & Energy – 5000mAh + 50A discharge means you don’t have to choose between capacity and punch.
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❄️ Cold‑weather champion – Retains 80% capacity at -20℃ and 60% at -40℃ – reliable even in freezing conditions.
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🔥 Low heat, high efficiency – Internal resistance below 5mΩ reduces energy loss and keeps your pack cooler.
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🛡️ Safe by design – Passed overcharge, short‑circuit, crush, drop, and thermal shock tests – no fire, no explosion.
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🔁 Long service life – Even under heavy 10C cycling, it holds up well; lower discharge rates give even longer life.
🏭 Quality You Can Trust
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Manufactured by Henan Great Power Energy – an experienced Li‑ion producer with strict quality control.
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1‑year warranty from shipment date against manufacturing defects.
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Delivery voltage: 3.3~3.5V within 10 days – fresh cells, ready for assembly.
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Grey PET sleeve + white insulator – clean, standard appearance.
💰 Competitive Pricing – Real Value
We offer factory‑direct pricing with flexible MOQ. Bulk discounts are available – contact us for a tailored quote.
📦 Quick Logistics & Support
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Fast shipping from Guangdong, China.
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Technical support for pack design and integration.
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Samples can be ready within days.
📩 Ready to power your next project?
Reach out now for samples, datasheets, or a price list. Let’s talk about how the INR21700-50Q can give your products a competitive edge!
📧 Email: info@becellbattery.com
🌐 Website: www.becellbattery.com
We respond within 24 hours – let’s get started! 🚀
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