This well-crafted rechargeable battery set combines four high-performance 18650 Li-Ion cells with a dual-slot USB charger, delivering reliable, cord-free power for demanding illumination devices. The advanced Li-Ion chemistry ensures consistent 3.7-volt output without memory effect, so batteries can be recharged at any state of discharge without reducing capacity. Each cell is engineered for sustained energy delivery to support high-drain flashlights, headlamps, and portable electronics during extended outdoor excursions or professional applications.
The compact charger measures 65 mm by 65 mm by 18 mm and connects effortlessly to any standard USB port, including wall adapters, power banks, and laptop hubs, providing ultimate flexibility whether at home, in the vehicle, or at a remote campsite. Integrated safety features include overvoltage, overcurrent, short-circuit, and reverse-polarity protection, along with zero-battery recovery and efficient heat dissipation. Charging automatically terminates upon reaching full capacity, preserving battery integrity and extending cycle life. The lightweight design, packaged for convenience, is ideal for on-the-go users who demand dependable, versatile power in a slim, easily portable format.
Product Details
- Size: 65mm x 65mm x 18mm (2.55in x 2.55 in x 0.7 in) No memory effect Environmentally friendly 100% Brand New
- Product Dimensions: 6.5 x 6.5 x 1.8 cm
- Package Includes: 2 x USB Charger 4 x R18650 Batteries
- Input power: 100-240V_50-60Hz
- Product Weight: 0.2 kg
- Pieces per Package: 1
- Color: Blue
- Battery Type: 18650 Rechargeable Battery(Not AA or AAA battery)