A very nice charger for higher capacity lithium polymer batteries. This charger auto detects the number of cells in the Li-Po pack and the user sets the charge current using a push button - no fiddly jumpers to set (or lose!). Charging is initiated using another push button and when charge cycle is complete an alarm sounds and charging stops. Charges 1-4 cells at one of the following currents: 0.3A, 0.5A, 0.8A, 1.3A, 2.0A or 2.5A. LED indicators for number of cells, charge current, power and charge. Requires 11-15V input (crocodile clips) and the Li-Po is connected via a standard JST 2 pin plug. Housed in aluminium case measuring just L=105mm, W=45mm and H=20mm. Not recommended for our 90, 130 or 145mAh cells.