This is a warning that the ACE RC MODELS & HOBBIES cannot ship Lithium batteries and that if you place an order for delivery, you will lose the PayPal fee from the transaction and will not receive the item. This is  because shipping LiPo batteries is restricted BY AUSTRALIA POST due to their potential fire hazard, and the ACE RC MODELS & HOBBIES is informing you of the policy to prevent a transaction dispute. 

tem # H6900L
Type: Lipo-HV
Voltage: 7.6V
Mah: 6900
C rate: 140c constant / 280c burst
Weight: 287g
connector: 5mm
size: 138.1*46.5*22mm LCG
licence: RCRA Approved,EFRA, BRCA, ROAR pending approval

Charging: 1-5C, do not exceed 5C