robotgcc 3.7 V 18650 Li-ion Rechargeable Battery Flat Top 1200 mAh | Reliable Lithium Cells for Arduino, Raspberry Pi, RC Cars & STEM Labs ( 10 Pack )

This 【10】-pack of 18650 Flat Top Li-ion Rechargeable Batteries (3.7V 1200mAh) provides reliable power for robotics, Arduino kits, IoT devices, Raspberry Pi boards, and STEM education.

Each lithium-ion cell is capacity-matched and CC/CV tested, ensuring a true 1200mAh output for consistent and honest performance.

Built with high-density Li-ion chemistry, low internal resistance, and precision nickel terminals, it guarantees efficient discharge, stable voltage, and long cycle life (500+ cycles).

Safety systems include PTC protection, overcharge protection, short circuit resistance, and thermal cut-off vents.

Perfect for powering robotics cars, sensors, RC toys, LED strips, drones, smart modules, and DIY electronics.

These 18650 rechargeable cells support both single-cell and multi-cell configurations (3.7V / 7.4V / 11.1V / 14.8V).

Fully certified under CE, UN38.3, IEC62133, and RoHS, safe for classroom and international use.

The eco-friendly rechargeable design promotes sustainability, reducing waste compared to disposable alkaline or NiMH batteries.

Ideal for makers, hobbyists, teachers, and engineers seeking dependable lithium-ion battery packs for educational or industrial use.

18650 battery, 18650 li-ion battery, 3.7v rechargeable battery, lithium ion rechargeable cell, lithium battery pack, li-ion power supply, true capacity 18650, rechargeable lithium ion battery 3.7v, flat top li-ion cell, rechargeable battery for Arduino, battery for robotics, educational li-ion cell, STEM robotics power source, high drain lithium battery, CE UN38.3 certified battery, IEC62133 lithium battery, PTC protected rechargeable cell, DIY electronics power supply, Arduino robot battery pack, IoT module battery, robotics competition power cell, lithium-ion 3.7v pack, classroom rechargeable battery, sustainable li-ion battery pack.

• Every cell is tested under a 0.2 C curve and CC/CV cycles to guarantee true 1200 mAh capacity and stable 3.7 V voltage. High-purity materials minimize loss and heat; after 800 cycles it retains > 85% capacity. Full discharge data is supplied for educational use.
• Compatible with Arduino, Raspberry Pi, RC cars, UAVs, LED strips and IoT modules; supports series or parallel use for flexible voltage designs.
• Certified under UN38.3, IEC 62133, CE, RoHS; features PTC over-current protection and safety vent structure to prevent short or thermal runaway.
• Rechargeable for 800+ cycles with capacity retention > 85%. Nickel contacts resist oxidation; engineered for durable STEM use.
• Recyclable design reduces waste; low self-discharge for long-term storage; ideal for labs, classrooms and DIY workshops.