Product Price Quantity Subtotal × 600W Constant Current Boost Converter DC to DC 10V-60V to 12-60V Output Step-up Transformer Module Power Supply Driver Max 10A QR48.00 600W Constant Current Boost Converter DC to DC 10V-60V to 12-60V Output Step-up Transformer Module Power Supply Driver Max 10A quantity Quantity QR48.00 × Bestkalint IMR 18650 battery 3500mAh 40A 3.7v Rechargeable flat Top Batteries electronic cigarette battery QR40.00 Bestkalint IMR 18650 battery 3500mAh 40A 3.7v Rechargeable flat Top Batteries electronic cigarette battery quantity Quantity QR40.00 Update cart Coupon Discount Cart totals Subtotal QR88.00 Total QR88.00 Proceed to checkout