21700 Button Top 6000mAh Li-ion Unprotected Rechargeable Battery

Base Specifications

• Model / Part No.: ORB-6000-HD
• Size / Type: 21700 / Li-ion / Button Top
• Nominal Capacity: 6000 mAh
• Minimum Capacity: 5900 mAh
• Nominal Voltage: 3.6V / 3.7V
• Energy: 22.2 Wh
• Chemical Composition: Advanced Li-ion High-Capacity
• Protection: No, Unprotected Cell (requires external BMS or integrated device protection)
• Internal Resistance: ≤ 25 mΩ (AC @ 1kHz)

Charging Specifications

• Charging Method: CC/CV (Constant Current / Constant Voltage)
• Charge Cutoff Voltage: 4.20V
• Standard Charge Current: 1A - 3A (1000mA - 3000mA)
• Max Charge Current: 4.2A @ 15-45°C | 3A @ 5-15°C | 0.6A @ 0-5°C
• Charging Cutoff Current: 120 mA (≥ 0.02C)
• Recommended Charger

Discharging Specifications

• Standard Discharge Current: 6A (6000mA)
• Max Continuous Discharge: 12A @ 0-35°C | 6A @ 35-45°C | 6A @ -20-0°C | 3A @ 45-60°C
• Discharge Cutoff Voltage: 2.50V under load

Physical Specifications

• Dimensions: 22.10 mm (D) × 71.95 mm (H) [±0.2mm]
• Weight: ≤ 75 g (Max)
• Positive Terminal: Button Top

Temperature & Cycle Life

• Charge Temperature: 0°C to 45°C / 32°F to 113°F
• Discharge Temperature: -20°C to 60°C / -4°F to 140°F
• Storage Temperature: 0°C to 24°C / 32°F to 75°F (long-term)
• Cycle Life: ≥ 500 cycles (0.5C/1C, 4.20V–2.75V)

For Experienced Users Only

This is an unprotected 21700 high capacity battery cell. It is intended for use in applications/devices with integrated safety protection (BMS or equivalent protection circuitry). Not for use in vape or e-cigarette devices.

❌ PROHIBITED ACTIONS:

• DO NOT use in any device/application without its own safety protection.
• DO NOT short-circuit, disassemble, or expose to heat or water.
• DO NOT carry or store bare batteries with metal objects (keys, coins, jewelry, or other conductive items) - always use protective case.
• DO NOT disassemble, solder, or modify the battery.

✅ REQUIRED PRACTICES:

• DO inspect cells for damage before every use.
• DO always store cells that are not in use in a plastic protective case.
• DO keep away from children and pets.
• DO use a high-quality charger specifically designed to charge Li-ion batteries.

What is a short circuit?
A short circuit occurs when the battery's positive (+) and negative (-) terminals connect directly. The current becomes extremely high because there is no resistance in the path to limit current flow. This short circuit results in dangerously high temperatures, which may cause venting or fire.

CUSTOMER RESPONSIBILITY & RISK ACKNOWLEDGMENT

User Responsibility: By purchasing these premium high-discharge 21700 batteries, you acknowledge that you possess the necessary knowledge and experience to safely handle high-performance lithium-ion cells. These batteries are intended for knowledgeable users who understand proper Li-ion battery safety protocols.

Assumption of Risk: The purchaser assumes full responsibility for proper handling, charging, storage, and usage of these batteries. You acknowledge that improper use of any lithium-ion battery may result in serious consequences, and you accept this responsibility upon purchase.

Knowledge Requirement: These batteries are sold with the expectation that buyers have prior experience with unprotected Li-ion cells and understand the safety requirements. If you are new to Li-ion batteries, we strongly recommend starting with protected cells or consulting with experienced users before purchase.

Compatibility Disclaimer: No guarantee of compatibility with any specific device or application is provided. It is the user's responsibility to verify that these batteries are appropriate for their intended use and that all safety measures are implemented.

Not sure about compatibility or have safety questions? Contact us 24/7 - we're here to help ensure you choose the right battery for your application.

Purchase Agreement: By completing this purchase, you confirm that you understand these terms and agree to handle these batteries in accordance with all provided safety guidelines. You acknowledge that safe operation depends entirely on proper user practices.