Thingiverse
Rechargeable 9V Battery
door Perinski
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Rechargeable 9V Battery
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This is a small DIY 9-volt rechargeable battery assembled from leftover miniature cells from another project. Four 250 mAh cells give a total of honest 1000 mAh — without those mythical “12000 mAh” numbers sellers like to print. That amount of energy simply cannot physically fit into a standard 9V housing. In reality, 600–800 mAh is usually the limit, so getting a true 1000 mAh here is a solid result.
The case is printed with a 0.2 mm nozzle using a minimal layer height — around 0.1 mm. That keeps the surface clean and avoids the staircase effect. The top part of the housing is printed from two materials: the main body uses a standard filament, and the light-pipe ar
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This is a small DIY 9-volt rechargeable battery assembled from leftover miniature cells from another project. Four 250 mAh cells give a total of honest 1000 mAh — without those mythical “12000 mAh” numbers sellers like to print. That amount of energy simply cannot physically fit into a standard 9V housing. In reality, 600–800 mAh is usually the limit, so getting a true 1000 mAh here is a solid result.
The case is printed with a 0.2 mm nozzle using a minimal layer height — around 0.1 mm. That keeps the surface clean and avoids the staircase effect. The top part of the housing is printed from two materials: the main body uses a standard filament, and the light-pipe ar
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