thanks All
now i found 2 kind of charger
1-
IMAX_B6_AC_Charger_Discharger_1_6_Cells_GENUINE =40$
can i use it to charge Duratrax Onyx LiPo or venom LiPo ?
2-
Duratrax Li-24 2S-4S AC Balance Charger Deans =25$
also the battries i found
1-
Duratrax Onyx LiPo 2S 7.4V 5000mAh 25C Hard Case TRA =48$
2-
Venom LiPo 2S 7.4V 5000mAh 30C Hard Case Universal =53$
both from towerHobbies.
it has a good qualit .
wich you think more better of the 2 charger and 2 battries ?