W08 MECHANIC 3in1 Mini Spot Welder For Battery Multi-functional Mobile Charger, Power Circuit Detector Phone Repair Short Killer. PRODUCT PARAMETERS: Product Name: Maintenance Guy Mini Precision Spot Welder Product model: W08 Product size: 112* 85* 25mm Battery capacity: 9600MAH Output voltage: 4.2V (Max) Output current: 650A (Max USB output: 5V2.4A (Max) Micro USB input: 5V-2A Output interface: Micro/IN input Recommended nickel belt thickness: 0.1~0.2mm Scope of application: suitable for mobile phone electronic components, battery plate replacement, lithium battery nickel sheet, Precision welding. Charger/Spot Welding/Detect Fault 3 in 1 Spot Welding Machine equivalent to getting: battery welding machine + burn-in artifact + power bank!