High-Capacity 18650 Rechargeable Lithium-Ion Battery – 3500mAh, 3.7V
Premium-grade lithium-ion cell with stable 3.7V output and high energy density for prolonged performance. Ultra-durable construction featuring original Li-ion chemistry, precision-welded terminals, and built-in safety protections against overcharge/overheat. Ideal for high-drain devices: flashlights, vaping mods, power tools, DIY electronics, and portable solar setups. Globally wholesale-priced with bulk discounts – direct factory sourcing ensures unbeatable cost efficiency. Strictly tested for consistent discharge cycles and minimal self-discharge – reliable power for professional and hobbyist use.