Why is my cart battery green showing that my pen is charged but my pen still isn't working? The battery is showing that it's charged, but when I put my cart on
![Amazon.com: 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,21700,18500,18350,16650 Rechargeable Battery ( not Including Battery : Electronics Amazon.com: 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,21700,18500,18350,16650 Rechargeable Battery ( not Including Battery : Electronics](https://m.media-amazon.com/images/I/61lIHOD3mDL.jpg)
Amazon.com: 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,21700,18500,18350,16650 Rechargeable Battery ( not Including Battery : Electronics
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Usb 18650 Battery Charger Black 4 Slots Ac 110v 220v Dual For 18650 Charging 3.7v Rechargeable Lithium Battery - Chargers - AliExpress
![Panda Stick pen charger light is red and pen is red when charging but pen works fine after 2 days of noticing issue. Light malfunction or connection issue? : r/oilpen Panda Stick pen charger light is red and pen is red when charging but pen works fine after 2 days of noticing issue. Light malfunction or connection issue? : r/oilpen](https://preview.redd.it/msiqqci5jqo51.jpg?width=640&crop=smart&auto=webp&s=cfed615db91ae8e8fd72f519a9f66283c661f9ce)
Panda Stick pen charger light is red and pen is red when charging but pen works fine after 2 days of noticing issue. Light malfunction or connection issue? : r/oilpen
![Amazon.com: 18650 Battery Charger, 2 Bay Smart Universal USB Battery Charger for 3.7V Rechargeable18650,26650, 18500, 17335, Ni-MH Ni-Cd A AA AAA IMR Batteries ,Power Bank ( Batteries not Including) : Electronics Amazon.com: 18650 Battery Charger, 2 Bay Smart Universal USB Battery Charger for 3.7V Rechargeable18650,26650, 18500, 17335, Ni-MH Ni-Cd A AA AAA IMR Batteries ,Power Bank ( Batteries not Including) : Electronics](https://m.media-amazon.com/images/I/71ESa8MfTdL._AC_UF894,1000_QL80_.jpg)