18650 battery charger 4-bay 5v 2a for rechargeable batteries 3.7v li-ion tr imr 18650 14500 16340(rcr123) red/green display (not battery) gracetop <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>