The battery that fits the "GRANITE GROM 1/18 MEGA 380 Red Brushed 4X4 Monster Truck RTR" is a Lithium-Polymer (LiPo) battery with the following specifications: - Voltage: 7.4 V - Battery type: Lithium-Polymer (LiPo) - Capacity: 1400 mAh - Number of cells: 2 - Plug type: IC2.

For the "GRANITE GROM 1/18 MEGA 380 Red Brushed 4X4 Monster Truck RTR" from Arrma, the following battery characteristics must be observed in order to select a suitable spare battery: - Battery type: The battery supplied is a LiPo (Lithium-Polymer) battery. - Voltage: The battery has a voltage of 7.4 V. - Capacity: The supplied battery has a capacity of 1400 mAh. - Connector type: The battery uses an IC2® connector. To find a compatible spare battery, you should ensure that the new battery fulfils these specifications: - LiPo battery - 7.4 V Voltage - 1400 mAh or similar capacity - IC2® connector It is important that the new battery is compatible with the supplied charger (Spektrum S10 Smart G2 Mini 2S USB-C charger).