Universal Smart Charger for 7.2V-12V for NiCad & NiMH batteries

Light Indicator when ChargingLarge & Small Tamiya AdaptorAuto Trickle Charge FunctionCharging style will Re-energize some Dead NiMH PacksInput: 100-240V, 50/60Hz 700 mA MaxOutput: 20V 0.9A and 1.8A Two output levels 0.9A and 1.8A. For battery packs 1100 to 2100mah you must use the 0.9A setting or you will overheat the battery. Only battery packs over 2100mah can use the 1.8A setting Calculate the proper amount of time required to charge a battery by dividing the battery's milliamp capacity by the chargers charge rate, e.g. it would take a 1800 rate charger - 2 hours to charge a completely drained 3600 mah battery.