Feature:1. Multifunctional battery box, can hold power battery. 2. With portable handle, making it easy to carry, convenient for using. 3. With positive and negative pole swich and power switch, practical and convenient. 4. Quality PBT material, exquisite workmanship, durable to use. 5. LED voltmeter display screen, real-time detection of voltage. 6. Built-in LED battery gauge, the battery level can be measured at the push of a button (excluding batteries). The internal space fits the size of the battery packs 24 and 27. 7. Connect motors or accessories to the battery cover safely and easily without opening the case. 8. Dual integrated circuit breakers with amplifiers and 60 10 amp circuit breakers to protect motors and other accessories from electrical damage. 9. Non-slip rubber feet mat, keep your battery case in place. 10. A USB charger and a 12v accessory port are provided for easy connection to various DC accessories. Specification:Condition: 100% Brand New Item Type: Battery Box Material: PC Protective Cover + PBT Shell Color: As picture shown Suitable Battery Size(WxHxD): 325 x 200 x 185mm/12.8 x 7.9 x 7.3in Usb Socket: 3.1A USB Socket (4.2A USB Socket Optional) Voltage: DC 6-30V Power Socket: 15A Power Socket Wire Pre-wiring Circuit Protector: 16A Package List:1 x Battery Box (Include Mounting Accessory)