I keep one of these in my laptop case: https://www.amazon.com/dp/B07CVX3516/ref=cm_sw_r_cp_api_i_8QWGX41H89213Q71GS2Q https://www.amazon.com/dp/B07CVX3516/ref=c

I keep one of these in my laptop case: https://www.amazon.com/dp/B07CVX3516/ref=cm_sw_r_cp_api_i_8QWGX41H89213Q71GS2Q https://www.amazon.com/dp/B07CVX3516/ref=cm_sw_r_cp_api_i_8Q... It’s worked great for years.