WARNING: Guidelines 18650 Battery Safety

🔋 18650 Battery Partners — Lithium-Ion Battery Safety Guidelines

At 18650 Battery Partners, your safety is our top priority. Lithium-ion batteries offer powerful and efficient energy storage, but improper handling or misuse can result in fire, explosion, serious injury, or death. Please review and follow these critical safety guidelines before purchasing, handling, or using any lithium-ion battery.

⚠️ Understanding the Risk: Short Circuits

A short circuit occurs when the positive (+) and negative (–) terminals come into contact, allowing uncontrolled electrical flow. This can cause:

🔥 Rapid heat buildup
💥 Fire or explosion
⚠️ Severe injury or property damage

Note: The entire outer casing of a cylindrical lithium-ion cell acts as the negative terminal. Insulation is essential to prevent accidental contact with conductive materials.

🔥 What is Thermal Runaway?

Thermal runaway is a hazardous reaction where a battery overheats uncontrollably, often resulting in fire or explosion.

Causes Include:

Overcharging beyond the cell's voltage limits
Internal or external short circuits
Physical damage (dents, punctures, or cracks)
Exposure to high temperatures

Warning Signs:

Swelling or deformation
Smoke, odor, or leakage
Overheating beyond normal charging temperature

How to Prevent It:

Use a smart charger designed for lithium-ion cells
Avoid overcharging or over-discharging
Store in a cool, dry location, away from heat sources
Inspect batteries before each use

In Case of Thermal Runaway:

Stop using the battery immediately
Move it to a fireproof surface (e.g., concrete or sand)
Keep it away from flammable materials
If it ignites, use a Class D fire extinguisher or dry sand
- ❗ Never use water

✅ Key Safety Guidelines

🧰 General Handling

🔍 Inspect before each use – Do not use if the battery is damaged, leaking, or missing insulation
🛑 Do not carry loose batteries – Always store in protective cases
✅ Ensure the PVC wrap and top insulator are intact

⚡ Charging Safety

⚠️ Use only a dedicated lithium-ion smart charger
⚠️ Match charger voltage to battery specifications
🔥 Charge only on non-flammable surfaces
👁️ Monitor charging – Never leave unattended

📦 Storage & Transport

Store in protective packaging or battery cases
Keep in a cool, dry place, away from direct sunlight or liquids
🚫 Keep out of reach of children and pets

🚫 Prohibited Activities

❌ Do not use damaged batteries
❌ Do not short-circuit the terminals
❌ Do not expose to liquids or humid environments
❌ Do not overcharge or over-discharge
❌ Do not solder directly to the battery (spot welding only)
❌ Do not crush, puncture, disassemble, or modify the battery
❌ Do not mix brands, capacities, or charge levels in the same device
❌ Do not throw in trash – Recycle properly

🚨 Emergency Situations

⚠️ Skin or Eye Contact with Electrolyte:

Rinse with copious amounts of water
Seek immediate medical attention

🔥 If the Battery Catches Fire:

Use a Class D fire extinguisher or dry sand
❗ Never use water or a standard fire extinguisher

🔋 Intended Use & Product Warnings

⚙ For Battery Packs & Custom Integrations

These cells are designed for use in protected battery packs with integrated Battery Management Systems (BMS) or Protection Circuit Boards (PCB).

🚭 Not for Use in E-Cigarettes or Vaporizers

18650 Battery Partners does not sell cells for use in vaping devices. These high-risk applications can lead to catastrophic failure and are strictly prohibited.

⚖️ Legal & Liability Disclaimer

⚠️ User Responsibility: The end user assumes all responsibility for the safe use, storage, and handling of lithium-ion batteries.
⚠️ Approved Use Only: Batteries must only be used in manufacturer-approved applications.
⚠️ Reseller Responsibility: All resellers must clearly communicate safety information and provide protective packaging for each cell sold. Loose cell distribution is strictly prohibited.

18650 Battery Partners is not liable for any damage, injury, or loss resulting from misuse or failure to follow safety protocols.

📚 Additional Resources

Refer to the manufacturer’s Safety Data Sheets (SDS) and handling guidelines for your specific battery model for further safety information.

Samsung SDI Safety Guidelines
Panasonic / Sanyo Lithium-Ion Warnings
Murata (Sony) Safety Bulletins
Hohm Tech Safety Resources

📌 Your Responsibility

Using lithium-ion batteries safely requires vigilance, knowledge, and proper equipment. By following these safety guidelines, you help protect yourself, others, and your property.