FEB 21700G/68E 6500mAh: The Smart Choice for High-Capacity 21700 Cells
FEB (Far East Battery) introduces the 21700G-68E(21700 68E), a 6500mAh lithium‑ion cell designed for applications where longest runtime matters most. With true 6500mAh minimum capacity and support for 2C (13A) continuous discharge, this cell delivers excellent energy density (approx. 312Wh/kg) while maintaining reliable cycle life and safety.
Whether you need to power e‑bikes, portable energy storage, or industrial equipment, the FEB inr21700G 68E offers a cost‑effective, in‑stock alternative to other high‑capacity 21700 cells.
Key Specifications (FEB 21700 68E)
| Parameter | Value |
|---|---|
| Model | 21700G-68E |
| Nominal Capacity | 6500mAh (min. 6500mAh) |
| Nominal Voltage | 3.6V |
| Energy (Typ.) | 23.4Wh |
| Energy Density (Gravimetric) | ~312Wh/kg |
| AC Internal Resistance (ACIR) | ≤19 mΩ |
| Standard Charge | 0.5C (3250mA) CCCV to 4.2V, 130mA cut-off |
| Standard Discharge | 0.2C (1300mA) to 2.5V |
| Max Continuous Charge Current | 0.7C (4550mA) @15-45℃ |
| Max Continuous Discharge Current | 2C (13000mA) @0-35℃ |
| Discharge Cut-off Voltage | 2.5V |
| Charge Cut-off Voltage | 4.2V |
| Operating Temp (Charge) | 0℃ ~ 45℃ (ambient) |
| Operating Temp (Discharge) | -20℃ ~ 60℃ (ambient) |
| Cell Surface Temp Limit | Charge ≤60℃ / Discharge ≤70℃ |
| Weight | ≤75g |
| Dimensions (D×H) | 21.65±0.2mm × 70.95±0.2mm |
| Cycle Life (0.5C/1C) | ≥70% @ 600 cycles (to 2.75V) |
| Safety Certifications | UN38.3, IEC62133, etc. |
Comparison: The Three 6500mAh 21700 Cells
| Feature | FEB 21700G/68E | Amprius SA112 | Molicel M65A |
|---|---|---|---|
| Capacity (Typ.) | 6500mAh | 6500mAh | 6500mAh (6.5Ah) |
| Minimum Capacity | 6500mAh | 6350mAh | 6400mAh |
| Nominal Voltage | 3.6V | 3.46V | 3.6V |
| Energy (Typ.) | 23.4Wh | 22.5Wh | 23.4Wh |
| Energy Density | ~312Wh/kg | ~315Wh/kg | ~314Wh/kg |
| AC Internal Resistance | ≤19 mΩ | ≤18 mΩ | ≤14.5 mΩ |
| Max Continuous Discharge | 13A (2C) | 13A (2C) | 26A (4C) |
| Max Continuous Charge | 4.55A (0.7C) | 4.55A (0.7C) | 6.5A (1C) |
| Weight | ≤75g | 72±2g | 74.5±2g |
| Cycle Life (to 80%) | ~600 cycles @1C/1C | 700 cycles @0.5C/1.15C | 500 cycles @1C/4C (estimated) |
| Operating Temp (Discharge) | -20℃ ~ 60℃ | -20℃ ~ 60℃ | -30℃ ~ 60℃ |
| Availability | ✅ In stock – good supply | ✅ In stock (mid price) | ❌ High price, not yet mass production |
| Price Level | Best value | Mid-range | Premium / scarce |
Why Choose FEB 21700G/68E?
✅ True 6500mAh minimum capacity – no compromise on runtime.
✅ Excellent energy density – ~312Wh/kg keeps your devices light.
✅ 2C continuous discharge – 13A enough for most high‑capacity applications.
✅ Available now – ready for immediate shipment in large quantities.
✅ Cost‑effective – lower price than Amprius SA112 and significantly cheaper than Molicel M65A.
✅ Proven safety – passes overcharge, short circuit, crush, heating, and low‑pressure tests.
✅ Yellow sleeve – easy identification in multi‑cell packs.
Applications
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Long‑range e‑bikes and e‑scooters
-
Portable power stations (energy storage)
-
Robotics and industrial equipment
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Medical devices
-
Backup power systems
Market Positioning (Honest Advice)
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FEB 21700G/68E – Best balance of capacity, price, and availability. In stock, ready to ship.
-
Amprius SA112 – Slightly higher energy density (silicon anode), good performance, available but at a higher price.
-
Molicel M65A – Very low IR and high 26A discharge, but not yet mass‑produced, expensive, and difficult to source reliably.
👉 For volume buyers seeking 6500mAh cells with fast delivery and competitive pricing, FEB 21700G/68E is the clear winner.
Order Information
BECELL offers factory‑direct pricing for the FEB 21700G/68E. We maintain large stock and can support both sample orders and container‑volume shipments.
📧 Email: info@becellbattery.com
🌐 Alibaba Website: www.becellbattery.com
Ask us for a quote today – we’ll beat any genuine competitor offer on comparable 6500mAh cells.
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