LG INR21700-M50LT 4930mAh Battery

Introducing the high-voltage LG INR21700-M50LT 4930mAh lithium-ion battery — a reliable 21700-format power cell designed for demanding projects and professional electronics. This model combines high nominal capacity with stable performance under moderate loads. The battery features a flat top and comes unprotected, making it suitable for applications with built-in protection circuits or for devices designed to work with unprotected cells.

Key Features

• Brand: LG
• Model: INR21700-M50LT
• Battery Type: Li-ion (Lithium-ion)
• Top Shape: Flat top
• Protection: Unprotected

Technical Parameters

• Size: 21700
• Weight: 70 g
• Nominal Voltage: 3.6V
• Maximum Charge Voltage: 4.2 V
• Nominal Capacity: 4930mAh
• Minimum Capacity: 4770mAh
• Discharge Current: 14.60 A
• Dimensions:
  • Height: 70.65 mm
  • Diameter: 21.44 mm

Operating Conditions

• Charging: 0 °C ~ 45 °C
• Discharging: -20 °C ~ 55 °C
• Storage Conditions: -20 °C ~ 55 °C

Warnings and Safety Rules

Lithium-ion batteries can be dangerous if used incorrectly. To avoid short circuits, fire, or explosion, follow the manufacturer's recommendations and the operating rules below:

• Do not insert the battery into a charger or equipment with incorrectly connected terminals.
• Avoid short circuits — do not place the battery with keys or metal objects.
• Do not disassemble or deform the battery; if the battery is deformed — dispose of it properly.
• Do not immerse the battery in water.
• Avoid strong impacts and vibrations.
• Do not expose the battery to high temperatures or throw it into fire.
• Keep the battery away from children.
• Do not use modified or damaged chargers.
• Do not leave the battery in the charger for more than 12 hours.
• Store in a cool, dry, and well-ventilated place.
• Dispose of in accordance with local laws.
• Do not solder these cells.

Applications and Recommendations

The LG INR21700-M50LT 4930mAh battery is suitable for a wide range of applications: from industrial devices and professional electronics to DIY projects requiring high capacity in a 21700 form factor. Since the cell is unprotected, ensure your equipment has appropriate protection circuits (BMS, protection boards, or other current and voltage control solutions) before installation. Adhering to charging rules (maximum voltage 4.2 V) and temperature regimes will ensure long service life and safe operation.

If you need a battery with high capacity and reliable performance at moderate discharge currents, the LG INR21700-M50LT model is an excellent choice. Select appropriate chargers and protection systems for maximum efficiency and safety.

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