Universal 18650 USB Battery Charger – Fast & Smart Single-Slot Solution

Premium build with flame-retardant PC shell and precision-molded contacts for 100% secure charging. Integrated intelligent IC chip auto-detects battery specs to prevent overcharge/overheat.

Dual-input (5V/1A USB) enables rapid charging for 18650, 18700, and 14500 Li-ion cells. Compact design (78x36x18mm) fits workshops, emergency kits, and portable electronics setups.

Patented spring-loaded battery bay accommodates 34-70mm lengths without spacers. Certifications include CE/FCC/RoHS for global compliance. Ships in wholesale-ready bulk packaging with 36-month warranty.

Industry-leading 5000+ cycle durability – 40% faster heat dissipation than standard chargers. Backed by our lowest-price guarantee for bulk orders.