Summary

This is an DSO138 Akku Case for the "DSO138 Simple Case by chibikuma2 "

https://a360.co/2Nlzro4

Needed Parts:
1x Battery Charging/Protection Board
1xAdjustable Boost Module
1xMINI Switch 15*10 2 Pin
1xcapacitor (i just 1mF but it is to much [the overload protection kicks in....])
1x18650 Battery Holder
1x18650 Battery
2xBrass Injection Nut
2x 4mmx10 screw
1X 9V Power Plug

Micro USB 18650 Lithium Battery Board Charging/Protection Functions
https://www.aliexpress.com/item/33057915333.html?spm=a2g0o.detail.1000014.1.38213a0b9QuvP6&gps-id=pcDetailBottomMoreOtherSeller&scm=1007.14976.158757.0&scm_id=1007.14976.158757.0&scm-url=1007.14976.158757.0&pvid=ba2a1aad-3d78-4d1c-8bcb-4de2c96a8801&_t=gps-id:pcDetailBottomMoreOtherSeller,scm-url:1007.14976.158757.0,pvid:ba2a1aad-3d78-4d1c-8bcb-4de2c96a8801,tpp_buckets:668%230%23131923%237_668%23808%235965%23353_668%23888%233325%2315_4976%230%23158757%230_4976%232711%237538%23398_4976%233223%2310328%235_4976%233104%239652%231_4976%233141%239887%232_668%232846%238116%23987_668%232717%237560%23279_668%233164%239976%23908

Adjustable Boost Module
https://www.aliexpress.com/item/32677612575.html?spm=a2g0o.productlist.0.0.58f111748OeoZk&algo_pvid=762eb440-78d4-45ec-adb1-b99299a4bcec&algo_expid=762eb440-78d4-45ec-adb1-b99299a4bcec-57&btsid=0be3746c15929449038613459e6b15&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_

Battery Holder
https://www.aliexpress.com/item/32796531669.html?spm=a2g0o.productlist.0.0.4b98354ay8ZYJ7&algo_pvid=b6c16f41-222f-4709-8c7c-592d44631c5f&algo_expid=b6c16f41-222f-4709-8c7c-592d44631c5f-1&btsid=0be3746c15929467040097749e6b15&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_

Brass Injection Nut
https://www.aliexpress.com/item/4000714545328.html?spm=a2g0o.detail.1000015.1.1bae3cb4dn9SHA&scm=1007.14452.151110.0&scm_id=1007.14452.151110.0&scm-url=1007.14452.151110.0&pvid=4834e9cf-4ee2-45e3-8a53-120dab1cc0a1&ad_pvid=20200623141716340164821692699943944_1&fromDetail

MINI Switch 15*10 2 Pin
https://www.aliexpress.com/item/32953334459.html?spm=a2g0o.productlist.0.0.7c225662lb8EFF&algo_pvid=6d997dec-3bed-4fda-b612-4ed6cc63901f&algo_expid=6d997dec-3bed-4fda-b612-4ed6cc63901f-23&btsid=0b0a119a15929486571458126e9f53&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_