3V Alkaline Battery Device Modified to 3.7V Lithium Battery Step-Down Adapter, Alkaline to Lithium Battery Conversion, Diode Step-Down, AA\5号\AAA\7号 Batteries
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Description
3V battery to lithium battery step-down adapter, compatible with 3.7V 14500 lithium batteries. It utilizes the fixed voltage drop of a diode to reduce the original voltage of the lithium battery
Many electrical devices in daily life use 3V alkaline batteries, and replacing batteries each time is costly. Using rechargeable lithium batteries is more convenient, but lithium batteries have a higher voltage of 3.7V. Moreover, only one lithium battery is needed, and the other battery compartment is empty, preventing contact. The design uses an adapter battery model containing a diode to fill the empty space, achieving both voltage reduction and compartment filling
The adapter battery is split into two halves. After installing the diode, apply 502 glue, then close and secure it before use
Important note: Do not use on devices that can only use carbon batteries, otherwise it will damage the device
When installing, the total length of the diode should preferably be greater than 60MM. The part of the diode with the white band should be on the positive side. After placement, bend the ends to make contact with the battery compartment's electrodes and springs
If it gets stuck in the battery compartment when being removed, rotate the adapter battery before taking it out
When a lithium battery with an actual detected voltage of 3.9V uses an FR207 diode, the voltage is approximately 3.5V when the wireless microphone is off, and 3.03V when turned on. Using an IN5822 diode, the voltage is 3.8V when off and 3.5V when on. The specific voltage drop should be determined by yourself based on the device's current and the forward voltage drop characteristics of different diodes. It is best to measure with a multimeter
If equipment damage is caused by self-modification, please take responsibility yourself
If you have other diodes to adapt, please let me know in the comments section, and I will upload the corresponding profile
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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