🚀 High-Capacity Storage: Boasts a massive 1800mAh capacity to keep your devices running longer.

🔌 Plug-and-Play JST Connector: Equipped with a standard JST-PH-2.0mm connector for instant, secure attachment.

🛡️ Built-in Smart Protection: Integrated PCM protection circuit guards against over-charging, over-discharging, and short circuits.

🔄 Extended Cycle Life: Designed to last for at least 500 charge cycles, providing years of dependable service.

📐 Ultra-Slim Prismatic Design: Measuring just 10mm thick, it slides easily into tight, low-profile enclosures.

🪶 Featherweight Portability: Weighs approximately 30–36 grams, adding significant power without the bulk.

🔋 Stable Power Delivery: Maintains a steady 3.7V nominal output for the smooth operation of sensitive microcontrollers.

🌡️ Wide Operating Temperature: Reliable performance across a broad range from -20°C to 60°C.

Modular Interlocking Design: These spacers feature a clever “tongue and groove” edge, allowing you to snap multiple units together to create a battery pack of any size ($3 \times N$).

Superior Heat Dissipation: Unlike taped packs, these spacers provide a small air gap between cells, preventing overheating and extending your battery’s lifespan.

High Impact Resistance: Made from durable, heat-resistant ABS plastic that can withstand vibrations and heavy-duty use.

Perfect Alignment: Ensures your 18650 cells are perfectly centered for easy spot welding or soldering of nickel strips.

Anti-Drop Structure: The secure fit prevents cells from shifting or falling out during the assembly process.

⚡ Maximum Energy Density: Boasts a massive 2200mAh capacity to provide industry-leading runtime for portable devices.

📐 High-Efficiency Output: Provides up to 9.12Wh of energy, making it ideal for high-drain electronic components.

🔌 Ready-to-Use JST Connector: Features a pre-installed white JST connector for immediate, secure, and hassle-free connectivity.

🛡️ Advanced Safety Board: Includes an integrated protection circuit to safeguard against overcharging and electrical faults.

🎯 Stable 3.7V Performance: Maintains a consistent nominal voltage to protect sensitive microchips and internal sensors.

📏 Optimized Slim Design: Features a thickness of only 0.97 cm, allowing it to fit into sleek, high-capacity enclosures.

🔄 Reliable Rechargeable Cycles: Engineered with modern Li-ion chemistry for high stability and a long operational lifespan.

🏗️ Robust Construction: Durable build quality designed to withstand the demands of professional and industrial DIY projects.

✅ HEAVY-DUTY PERFORMANCE: Long-lasting 1.5V power optimized for high-drain devices.

🌿 ECO-FRIENDLY: No mercury or cadmium added – safer for your family and the environment.

🔋 ALKALINE TECHNOLOGY: Reliable energy with enhanced leakage resistance and voltage stability.

📦 BULK VALUE PACK: 20 packs (40 batteries) – perfect for households, offices, and frequent users.

🏭 TOSHIBA ORIGINAL JAPAN QUALITY: Backed by a legacy of durability and trust.

🔧 VERSATILE USE: Compatible with remotes, toys, flashlights, clocks, and more.

📍 EASY REORDER: Use Reorder No. RO3KG(M)SP-2TGTPK for quick and hassle-free restocking.

💪 DURABLE SHELF LIFE: Maintains power integrity even under varying storage conditions.

🚀 CONSISTENT OUTPUT: Del unwavering voltage until fully depleted.

🛡️ SAFE & RELIABLE: Engineered for user and environmental safety.

🔋 Wide Compatibility – Supports multiple Li-ion battery types: 18650, 26650, 18350, 14500 (AA), 16340 (CR123), 10440 (AAA).

⚡ Dual Charging Slots – Charge 2 batteries at the same time, same or different sizes.

✅ Smart Safety Protection – Built-in IC protection against overcharge, overheating, and short-circuit.

💡 LED Indicator Lights – Red = charging, Green = fully charged.

⏱ Auto Stop Charging – Automatically stops when charging is complete.

🌍 Universal Input – AC 100-240V, 47–63Hz for worldwide use.

🔌 EU Plug Design – Convenient for direct wall charging.

📏 Compact & Portable – Easy to carry (11.1 × 4.2 × 4 cm).

⚡ Optimized Capacity: Offers a concentrated 390mAh of power for small-scale devices.

📏 Sleek & Narrow Design: Unique 3.3 x 1.6 cm footprint is perfect for long, thin enclosures.

🛡️ Advanced Safety Board: Features an integrated protection circuit to prevent over-discharge and short circuits.

🪶 Ultra-Lightweight: Weighs only 7.7g, making it ideal for weight-sensitive applications like mini drones.

🔌 Pre-Wired Connection: Comes with durable red and black leads for easy soldering and secure polarity identification.

🔄 Steady Voltage Supply: Maintains a reliable 3.7V output for consistent performance of sensitive components.

📐 Low-Profile Thickness: Only 0.8 cm thick, allowing for incredibly slim product designs.

🌍 Efficient Rechargeability: Designed for a long life cycle with modern Li-ion chemistry for maximum sustainability.