Package: 2packs 6s 4000mah 60c xt90 lipo battery. Please contact us immediately if you have any problems with our product (enter into "Your Orders" for help or send email to our after-sales mailbox), we will reply you within 24 hours.
Please check the battery surface when you get it and whether the voltage is 3. 7~4. 2v before using.
HRB 6 cell 4000mAh 60C lipo is compatible with rc quadcopter rc helicopter rc car rc truck rc boat rc hobby (Only if the voltage, dimension and the plug match, then it will fit)