Spinfire Replacement Battery
Note: This is listed as in stock but is out of stock (web server glitch). The specifications you need to buy a 3rd party battery are below
Specifications to allow you to find it on your own (Online, Amazon, local supplier): 12V, 20AH, 6kg/13lb (but 18Ah & 20Ah can also be used, with the former being about 1lb lighter and the latter being 1lb heavier), approximately 181.5mm (L) x 77mm (W) x 167mm (H). The terminal type is T3 (post) or screw down.
If you have an external battery pack all you need to do is remove the cables from the leads on the battery using a screwdriver and small wrench or pliers and re-attach them to the new battery, taking care to connect red (+) and black (-) wires to the terminals with the same color and marketings on the battery. If you have an internal battery you must remove the control panel and cover in order to replace the battery. Here are 2 videos that show how to do this:
You can also order the Spinfire Portable Battery Pack Upgrade to convert the Spinfire Pro 2 with internal battery to a Portable Battery Machine here.