TLP-2000 Tenergy 0.5A Universal Smart Charger for Li-Ion/Polymer Battery Pack (3.7V-14.8V 1-4 cells) Smart universal charger for Li-Ion and polymer Li-ion battery pack with capacity &gt; 500mAh. However, should not use for hobby battery packs which do not have PCBs. Only use this charger for battery packs with built-in protection circuit. Never use it for hobby packs (RC, airsoft etc) which are unprotected and are designed to be balance-charged. 4 Voltage selections at 3.6V, 7.2V, 10.8V and 14.4V. 500 mA constant charging current. With Standard Tamiya Conncetor. Universal 100V - 240V AC input for worldwide power usage. Dimension: 1.5" x 1" x 4" Automatic charging stop when battery pack is fully charged , or when each cell 's voltage reaches 4.2V peak. Buy with confidence, your charger includes a 12-month warranty. standard Tamiya connector standard Tamiya to mini Tamiya adapter standard Tamiya to Alligator clips adapter