NOT KNOWN FACTS ABOUT CART BATTERY

Disposable vs. Reusable: Some cart pens are entirely disposable, while others have rechargeable batteries that may be used with many cartridges.Better than Apple iphone Battery Can't think how long this lasts!!! Imagine I’ve billed it after due to the fact I bought it and that was in excess of 6 weeks ago!!! Much better than an iPhone batteryAbil