<p><b>18650 Battery Charger</b></p> <p>Ultra Fast Charging Up to 500mA charging current each slot (when 1A input), greatly shorten your waiting time. LED shows you the charging status and charging level of each battery.</p> <p>Safe Charging: Micro processor controls the charging process, automatically stops when fully charged. In addition, it’s with reverse polarity protection and short circuit protection. All these built-in safety features ensure your safety and the health of the battery</p> <p></p> <p><b>Package includes:</b></p> <p>1 x USB Universal Charger</p> <p>1 x English user manual.</p> <p><b>Features</b></p> <p>- Capable of charging 4pcs 3.7V battery simultaneously</p> <p>- Automatically detects battery status and selects the appropriate voltage and charge mode.</p> <p>- Automatically stops charging when complete.</p> <p>- Excellent features of heat dispersion and reverse polarity protection. Protect opposite connection and short circuit.</p> <p>- Designed for optimal heat dissipation.</p>