Check the listing for details. 2 packs -xt30 Plug Pigtail Power Wire 100μF Capacitor Mobula7 Sailfly. Condition: New. Listed at 8.99 USD. you are bidding on 2 NEW XT30 Plug Pigtail Power Wire with 100μF Capacitor for F3 F4 AIO flight controller Item name: XT30 Plug Pigtail Power Wire with 100μF CapacitorWire length: 70mm(include xt30)Height: 2.6 gram /PieceUsed for : Crazybee F3 / F4 PRO series flight controllerQuantity: 10 PiecesCan avoid the risk of burning the mosfet or the 5v regulator at the moment of power onWith this Capacitor , we can use 3S 300~350mah battery for the Crazybee F4 PRO V2.0 and Crazybee F4 PRO V2.1 , and 2s 300~350mah battery for the Crazybee F4 PRO V1.0 And if you want to use the battery above 350mah , we recommend use 220 μF or above capacitor.We found most of the 5v regulator and esc of the Crazybee F4 flight controller burnt after mod the PH2.0 to XT30 . Also, more powerful the battery is(lower esr than stock battery) , more possibility to fail. And, the temporary solution is add a low esr capacitor onto xt30 connector. This capacitor should have a esr less than 0.2 ohm and have a capacitance more than 100uF. Rubycon ZLG/ZLH series and Samyoung NXB series are what we have tested and recommended.Following pictures show what happened after plug in battery:The max voltage is 19v and the voltage spike lasted for about 5us.After add a 100uF/16v (NXB16VB100M5*11_LO) capacitor, we obtained a much slower and smaller spike:Further more, we replace the stock 300mAh/3s(40~50mohm esr) to 550mAh/3s(~20mohms esr), the result turn to be more worse:Without 100μF, the max spike voltage increase to ~25v while with 100uF it decrease to about 20v, which is acceptable to Crazybee F4 PRO V2.0 and Crazybee F4 PRO V2.1 Plug Pigtail Power Wire 100μF Capacitor for Mobula7 HD Sailfly-X TRASHCAN UR85 UR85HD Crazybee F3 / F4 PRO PartsWire length: 70mm(include xt30)Height: 2.6gramUsed for : Crazybee F3 / F4 PRO series flight controllerCan avoid the risk of burning the mosfet or the 5v regulator at the moment of power onWith this Capacitor , we can use 3S 300~350mah battery for the Crazybee F4 PRO V2.0 and Crazybee F4 PRO V2.1 , and 2s 300~350mah battery for the Crazybee F4 PRO V1.0 And if you want to use the battery above 350mah , we recommend use 220 uF or above capacitor.We found most of the 5v regulator and esc of the Crazybee F4 flight controller burnt after mod the PH2.0 to XT30 . Also, more powerful the battery is(lower esr than stock battery) , more possibility to fail. And, the temporary solution is add a low esr capacitor onto xt30 connector. This capacitor should have a esr less than 0.2 ohm and have a capacitance more than 100uF. Rubycon ZLG/ZLH series and Samyoung NXB series are what we have tested and recommended.Following pictures show what happened after plug in battery:The max voltage is 19v and the voltage spike lasted for about 5us.After add a 100uF/16v (NXB16VB100M5*11_LO) capacitor, we obtained a much slower and smaller spike:Further more, we replace the stock 300mAh/3s(40~50mohm esr) to 550mAh/3s(~20mohms esr), the result turn to be more worse:Without 100uF, the max spike voltage increase to ~25v while with 100uF it decrease to about 20v, which is acceptable to Crazybee F4 PRO V2.0 and Crazybee F4 PRO V2.1 we ship anywhere in USA with FREE shipping you will receive it in few days if in USA please view our multicopter (drone) items for saleflysky receiver FS-iA6 FS-iA6B x6Bfrsky receiver XSR XM XM+ X4R-SB D4r-IIeachine QX80 QX90 QX95 QX105 QX90ceachine blade EB185 eachine assassin 180eachine falcon racer pro 110 130 180 210 220 250eachine EX100 EX105 EX110 X73 QX90 QX90c vx-130 vx130jjrc jjpro p130 p175 p200walkera rodeo 110 rodeo 150 runner 250 F210frsky transmitter taranis x9D plus flysky transmitter eachine transmitter fs i6 fs-i6xt-60 2s 3s 4s 500 550 600 1100 1300 1500 1800 2000 batteryemail me if you did not see the item you want, i will post it asap