Samsung INR 21700 40T 4000mAh Li-Ion Battery 3.6V 30A

Samsung INR 21700 40T 4000mAh Li-Ion 3.6V 30A Battery

Technical Specifications:

• Dimensions: 21.1 x 70.4 mm
• Type: 21700 40T
• Weight: 66.8g
• Peak Pulse Discharge Current: 35A
• Maximum Continuous Discharge Current: 15A

Full charging is required after purchase

Usage Instructions:

• Avoid complete battery discharge (below 2.5V under load or 3V without load)
• Perform a full charge before first use (up to 4.2V)
• Charging above 4.3V is prohibited
• Do not charge without direct supervision
• Use only professional chargers
• Protect from excessive heating

SAFETY GUIDELINES

Lithium-ion cells can pose a serious risk when used incorrectly. Each cell requires a PCM protection circuit. Improper handling may lead to fire or explosion. Follow manufacturer guidelines. ❌Prevent short circuits by accidentally connecting metal objects. ❌Always maintain correct polarity when connecting. ❌Avoid over-discharging and overcharging. ❌Use only undamaged, certified chargers. ❌Do not leave batteries in the charger for more than 12 hours. ❌Protect from moisture and high temperatures. ❌Do not use damaged cells. ❌Keep away from fire sources. ❌Avoid shocks and strong pressures. ❌Do not disassemble or deform cells. ❌Do not solder. Keep out of reach of children. Use a dedicated case in a cool, dry place. Dispose of used batteries through specialized recycling.