Feature:1. Long Standby Time: The standby time can be up to 1 year when it is turned off, and the storage time can be up to 3 years. It can be picked up and used without maintenance.2. Weldable Nickel Plated Tape: Maximum weldable 0.2mm nickel plated tape, 0.25mm slotted nickel tape to assemble 18650 and other battery packs, recommended for long term use of 0.15mm.3. Built in Ammeter: The digital display portable spot welding machine has a built in ammeter, which is easy to operate and easy to use.4. Short Circuit Protection: This digital display spot welder has short circuit protection function and has a high current of 1100A.5. Applicable Scene: It can be used for power bank, toy car maintenance, power lithium battery and other scenarios.Specification:Item Type: Portable Spot WelderProduct Material: Aluminum AlloyProduct Size: Approx. 11 x 8 x 3cm / 4.3 x 3.1 x 1.2inBuilt in Battery Model: 18650Capacity: 5000mahFeatures:Weldable Nickel Plated Tape: Maximum weldable 0.2mm nickel plated tape, 0.25mm slotted nickel tape to assemble 18650 and other battery packs, recommended for long term use of 0.15mmLong Standby Time: The standby time can be up to 1 year when it is turned off, and the storage time can be up to 3 years.GEAR: gear adjustment, short press the white button to switch the mode, the arrowhead points to xxms, long press the black button to adjust the gear, divided into 30 gearsDELAY: Delay adjustment, the adjustment method is the same as the gearBAT: battery power display, real time monitoring of battery voltage, low battery sound and power warning, automatic shutdownTEST: The actual output of the current value measured by the welding penShort Circuit Protection: The machine is equipped with short circuit protection to monitor each weldx: Indicates short circuit protectionUse scenario 1: power bank,