Dual USB 18650 Boost Battery Charger Board
High-efficiency boost circuit delivers stable 5V/2.4A output for fast charging. Compatible with both Micro USB and Type-C inputs, supporting simultaneous dual-device charging. Precision CNC-machined aluminum alloy casing ensures durability and heat dissipation. Features overcharge, overcurrent, and short-circuit protection for safety. Ideal for DIY power banks, outdoor emergencies, or as a compact travel charger. Supports 18650 lithium batteries (not included) for customizable power solutions. Compact PCB design with gold-plated contacts for optimal conductivity. Perfect for tech enthusiasts, off-grid adventures, or backup charging needs. Bulk orders available at unbeatable wholesale prices. Upgrade your power solutions with professional-grade hardware.