Improved Batteries by _Veloso_
New, improved, long-lasting batteries. Free to copy, if you to use in publish saves please give credits.
battery
spark
energy
simple
electronic
charger
Comments
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NPC2 16th Apr 2020
Id: 2531247 I tried some battery designes too. The second is the better of the pair. Please note that both internally combust when spent. Insulated battery housing may be advised.