EcoJohn TinyJohn XL Gas or Electric - Waterless Incinerator Toilet Liners:300 it supports dual charging via

it supports dual charging via AC and solar

but compatibility should be confirmed based on your specific unit

and jump starter

you can consistently keep track of battery stats at a maximum range of up to 32

Pass-through Charging: Yes

EcoJohn TinyJohn XL Gas or Electric - Waterless Incinerator Toilet Liners:300 it supports dual charging viaDescription TinyJohn XL Gas or Electric Waterless Incinerator Toilet High Capacity Off Grid Solution Product Description The TinyJohn XL is a self contained, waterless incinerating toilet designed for higher demand off grid applications. Built to handle larger households and more frequent use than the standard TinyJohn, it incinerate all waste into a small quantity of sterile ash completely eliminating the need for water, a black water tank, or a