3.7v 500mah 752540 Lipo Battery With Charger For Syma X5c X5sw M68 Cheerson Cx-3
                                 
Voltage:3.7 V

Current quantity :500mah

Size: about 45 *  25* 9(mm)

Other information: 25C
Inclusion in the package:

2 /4 Pcs 3.7V 500mAh battery

OR  5Pcs 3.7V 500mAh battery with 1Pcs USB charger