21700 Battery Wholesale: FEB 21700G/68E 6500mAh 3.6V Cells in Large Stock

Looking for reliable 21700 lithium ion battery wholesale? We carry large stock of the FEB 21700G/68E 6500mAh 3.6V cell and offer competitive bulk pricing for battery pack manufacturers, distributors, and OEM buyers. If you source 21700 cells, you know the common pain points: unstable prices, long lead times, inconsistent batches, and high MOQ. We solve them.

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Why Buyers Choose the FEB 21700G/68E

Instead of drowning you in raw specification tables, here is what the key technical points actually mean for your business.

6500mAh High Capacity = Longer Runtime, Fewer Cells, Lower Pack Cost

The FEB 21700G/68E delivers a 6500mAh nominal capacity and 23.4Wh energy. For your battery pack design, this means:

• Longer runtime per cell

• Fewer cells needed in parallel to reach your target capacity

• Simpler pack structure and lower assembly cost

• Less BMS balancing complexity

If you are building high-capacity 21700 battery packs for e-mobility, energy storage, or portable power, this cell helps you hit your capacity target with fewer components.

Stable 3.6V Nominal Voltage = Easy BMS Integration

With a 3.6V nominal voltage, 4.2V charge limit, and 2.5V discharge cut-off, this cell fits standard 21700 pack designs. Your engineering team can use familiar charging and protection parameters, which reduces design risk and speeds up time to market.

Low Internal Resistance ≤19mΩ = Less Heat, Higher Efficiency

The cell’s internal resistance is ≤19mΩ (AC 1000Hz). In real-world use, lower resistance means:

• Less heat during charge and discharge

• Higher energy efficiency

• Better performance under continuous load

• Longer pack life potential when properly cooled

For buyers building power tools, vacuum cleaners, or e-bike packs, this is a major advantage.

Strong Discharge Performance = Ready for High-Power Applications

The FEB 21700G/68E is not just a high-capacity cell. It also delivers solid discharge performance:

• In normal room temperature conditions (0–35°C), it supports 2C continuous discharge (13,000mA)

• In colder conditions (-20–0°C) and warmer conditions (35–45°C), it supports 1C continuous discharge

• In high-temperature conditions (45–70°C), it supports 0.5C continuous discharge

• Discharge efficiency remains ≥90% at 2C, ≥93% at 1C, and ≥95% at 0.5C

For your customers, this means the battery pack can handle demanding loads without excessive voltage sag or capacity loss. For your business, it means fewer returns, fewer complaints, and a stronger product reputation.

Fast Charging Support = Shorter Downtime

The cell supports CC-CV charging with a recommended 0.5C (3250mA) standard charge. In moderate temperatures (15–45°C), it can accept up to 0.7C (4550mA) continuous charge. This helps your end customers recharge faster and get back to work sooner.

Wide Temperature Range = Reliable in Real-World Conditions

• Discharge: -20°C to +60°C

• Charge: 0°C to +45°C

• Cell surface temperature limits: charge ≤60°C, discharge ≤70°C

This makes the cell suitable for outdoor equipment, industrial devices, and applications used in different climates. It also gives your pack design more flexibility.

Safety Tested = Lower Risk for Your Brand

The FEB 21700G/68E has passed key safety tests, including:

• Short circuit

• Drop

• Heating

• Seawater immersion

• Low pressure

• Temperature cycling

In these tests, the cell showed no explosion, no fire, and no leakage. For overseas buyers, this means lower safety risk, easier compliance discussions, and more confidence when selling into strict markets.

Batch Consistency = Smoother Production

For series and parallel assembly, FEB recommends using cells from the same grade, same batch, and same charge state. The suggested matching standard is:

• Voltage difference within 20mV

• Internal resistance difference within 6mΩ

This level of consistency helps you reduce BMS balancing issues, improve pack yield, and lower after-sales risk. If you run automated production lines, stable batch quality is critical — and that is exactly what we aim to supply.

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Key Specs at a Glance

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Ideal Applications for This 21700 Cell

The FEB 21700G/68E is a strong fit for 21700 battery pack projects such as:

• E-bikes and e-scooters

• Power tools

• Cordless vacuum cleaners

• Portable power stations

• Home and commercial energy storage

• Medical devices

• Industrial equipment

• OEM/ODM battery packs

If your product needs high capacity, stable discharge, and reliable cycle-to-cycle consistency, this cell deserves a place on your shortlist.

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Supply Advantages: Large Stock and Competitive Wholesale Price

We know that price and supply stability are just as important as cell performance. That is why we focus on what buyers actually need:

1. Large Stock Available

We carry large inventory of the FEB 21700G/68E 6500mAh cell. You do not need to wait months for production. Contact us to confirm current stock and available quantity.

2. Competitive Wholesale Pricing

We offer favorable pricing for bulk orders. Whether you are buying for distribution or for your own battery pack factory, we can provide a competitive 21700 battery price based on your order volume.

3. Stable Batch Supply

Consistent batches make your production smoother. We understand the importance of voltage, internal resistance, and capacity matching for series and parallel packs.

4. Export-Ready Packaging

• Inner box: 100pcs

• Carton: 200pcs

• Pallet: 16,000pcs

• Protective corners, stretch film, PP strapping, and top pressure protection

This packaging reduces handling damage and makes bulk logistics more efficient.

5. Shipping Voltage Ready

Cells are shipped at 3.5V–3.7V, which is suitable for transport and storage. For long-term storage, keep voltage in this range and recharge cells below 3.5V every three months at 0.5C.

6. OEM/ODM and Technical Support

If you need help with pack design, BMS protection parameters, welding methods, or cell matching, our team can provide practical guidance. We recommend resistance welding or laser welding — never direct soldering — to protect cell integrity.

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What to Know Before You Buy

To get the best performance and safety from this cell:

• Use a proper BMS with overcharge, over-discharge, and overcurrent protection

• Do not solder cells directly

• Match cells by voltage and internal resistance before assembly

• Keep charging within 0–45°C and discharging within -20–60°C

• Terminate charge if cell surface temperature exceeds 60°C

• Terminate discharge if cell surface temperature exceeds 70°C

• Store in a dry, non-corrosive environment

These simple rules help you protect your reputation and reduce warranty risk.

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FAQ: 21700 Battery Wholesale

Do you have large stock of 21700 cells?

Yes. We carry large stock of the FEB 21700G/68E 6500mAh 3.6V cell. Contact us for current inventory.

Can I get a wholesale price for bulk orders?

Yes. We offer competitive pricing for bulk purchases. Share your target quantity and destination, and we will send you a quote.

What is the MOQ?

MOQ depends on your order type and shipping destination. Please contact us for details.

Can I order samples before bulk purchase?

Yes. Samples can be arranged for testing and validation. Contact us to discuss sample quantity and shipping.

Is this cell suitable for battery pack assembly?

Yes. It is designed for rechargeable lithium-ion battery packs. Proper BMS protection, cell matching, and welding methods are required.

Do you support OEM/ODM projects?

Yes. We can support OEM/ODM battery pack projects. Contact us with your requirements.

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Request a Wholesale Quote Today

If you are searching for a reliable 21700 battery supplier, looking to buy 21700 battery cells in bulk, or comparing 21700 battery wholesale options, the FEB 21700G/68E 6500mAh 3.6V cell is ready for your project.

Large stock. Competitive price. Stable supply.

Contact us today to request a quote, confirm inventory, and discuss your bulk 21700 cells requirements.