1Male connector is for battery and female connector is for ESC or charger 2Suitable for helicopter, boat or model car, etc 3It is suitable for 4.5mm low-resistance banana plugs 4Lightweight design and small size, resistant to maximum 120A current 5Closely connected without leaving gaps Features: Male connector is for battery and female connector is for ESC or charger. Suitable for helicopter, boat or model car, etc. It is suitable for 4.5mm low-resistance banana plugs. Lightweight design and small size, resistant to maximum 120A current. Closely connected without leaving gaps. Specification: Material: PA & Copper Size: Approx. 2 * 3cm / 0.79 * 1.18inch Weight: 16g Type: RC Parts & Accs Continuous Current: 90A Peak Current: 120A Quantity: 1Pair Package List: 1 * XT90 Male Connector 1 * XT90 Female Connector