Charger kit Rechargeable Button Top Battery Lithium ion Batteries 2pcs 5000Ah W￵i￵th 3.7V Ba￵tte￵ry Charger 2 Bay Universal Charger Tool for 18650 18500 18490 16340 14500

Our lithium-ion battery products combine cutting-edge technology and mature craftsmanship, delivering superior performance, reliability, durability, and eco-friendly energy solutions.With the same volume or weight, lithium-ion batteries store far more power than traditional batteries (e.g., lead-acid, nickel-metal hydride). Core advantages:1. Longer runtime, or significantly lighter & more compact design while maintaining equal battery life—enhancing portability and design flexibility.2. High-quality cells retain over 80% of initial capacity after hundreds or even thousands of full charge-discharge cycles.3. Ultra-slow power loss in standby (far lower than NiMH/NiCd batteries). Remains fully usable for months after charging—no frequent recharging needed.4. 18650 lithium-ion batteries feature no memory effect—no need for full discharge before recharging (unlike older battery types).5. Nominal voltage of 3.6V/3.7V per cell—much higher than NiMH (1.2V) or lead-acid (2.0V) batteries, ensuring more efficient power supply.6. Compliant with global environmental regulations and sustainability demands. High material recyclability supports the circular economy.Backed by decades of proven technology, our lithium-ion batteries boast refined production processes and strict quality control—guaranteeing consistency and reliability. The industry continues to innovate in materials (e.g., high-nickel, silicon-carbon, solid-state electrolytes) and craftsmanship, driving continuous performance upgrades and cost optimization.

• Important Note: This charger is only compatible with 3.7V rechargeable lithium-ion batteries. Compatible models: 18650, 18500, 18490, 16340, 14500
• Smart Charger Highlights Red/Green Light Status Indication: Red light on while charging; Green light on when fully charged. Precise (+)/(-) Terminal Alignment: Please align the battery’s (+)/(-) terminals with the charger’s during charging to ensure proper power supply. Multi-Scenario Power Compatibility: Equipped with a USB port, compatible with computers, mobile chargers, wall outlets, car chargers, and other power sources.
• Multiple Safety Protections The battery and charger combo features no memory effect and is equipped with multiple protection mechanisms, ensuring stable and safe battery operation while effectively safeguarding your devices.
• Wide Compatibility 3.7V rechargeable batteries are compatible with headlamps, flashlights, radios, doorbells, small fans, game controllers, RC cars, toys, and various other electronic devices.
• High Performance Boost: 18650 Rechargeable Battery with 5000mAh Large Capacity – Delivers stable power to your devices, effectively prevents device damage, and is the ideal replacement battery for high-frequency use devices!