Tag Archives: li-poly

PF Battery Box with Li-Poly Rechargeable

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I decided to modify a Lego Power Functions Battery Box and fit with an 11.1 Volt Li-Poly Rechargeable Battery Pack & use a Regulator I.C. to provide the regulated 9Volts required by Power Functions type Devices. The modification was easy, but time consuming to remove the excess plastic in order to get the Li-Poly Rechargeable Battery Pack to fit inside the battery box.

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