Specifications YEE S100A Size 10 7 5 3 5cmPower Supply AC220 240V 50 60HZPower 1 5WOutput 1 1 5L minBattery Lithium battery 1500mahMode 1 Fully mode 26hrsMode 2 Time Period 50hrsYEE S100B Size 10 7 5 3 5cmPower Supply AC220 240V 50 60HZPower 1 5WOutput 1 1 5L minBattery Lithium battery 2200mahMode 1 Fully mode 35hrsMode 2 Time Period 70hrsYEE S200A Size 12 5 8 3 5cmPower Supply AC220 240V 50 60HZPower 3WOutput 2 1 5L minBattery Lithium battery 2600mahMode 1 Fully mode 30hrsMode 2 Time Period 55hrsYEE S200BSize 12 5 8 3 5cmPower Supply AC220 240V 50 60HZPower 3WOutput 2 1 5L minBattery Lithium battery 3350mahMode 1 Fully mode 35hrsMode 2 Time Period 60hrsYYE LD300Size 14 8 5 5 5cmPower Supply AC220 240V 50 60HZPower 3 5WOutput 2 2L minWater Proof IP67Battery Lithium battery 6000mahMode 1 Fully mode 1 102hrsserviceFeatures 1 RECHARGEABLE BATTERY This aquarium air pump adopts 6000mAh large capacity rechargeable battery which can provide up to 102hours working time It can be fast charged by USB cable you can charge it with a laptop a wall charger or a power bank Charging on the vehicle very easy to use 2 INTELLIGENT AUTOMATIC SWITCH OF AC DC This aquarium pump built in power failure protection intelligent AC and DC use It can work as a standard air pump with the AC power supply while when there is a power cut it will switch automatically to the DC power supply powered by the lithium battery 3 WIDE APPLICATIONS This fish