使用需自担风险，诸如此类的话。

将电线焊接到电池上时，切勿使用充电器电路输出的电流，否则可能会损坏电池(可能我买到的电路板质量不佳)。电极之间的距离应保持在10毫米以内。

以下是我使用的零件：

https://www.aliexpress.com/item/Hot-Sale-1-2-4-8-12pcs-18650-Battery-3-7v-2200mAh-Capacity-Battery-Li-po/32831830258.html?spm=a2g0s.9042311.0.0.T9ZJCf

https://www.aliexpress.com/item/5PCS-Micro-USB-5V-1A-18650-TP4056-Lithium-Battery-Charger-Module-Charging-Board-With-Dual-Functions/32666559864.html?spm=a2g0s.9042311.0.0.T9ZJCf

https://www.aliexpress.com/item/5Pcs-lot-DC-3-7-7-4V-To-1000KV-Boost-Step-Up-Power-Module-High-Voltage/32764213343.html?spm=a2g0s.9042311.0.0.T9ZJCf

https://www.ebay.com.au/itm/Rare-Earth-Strong-Magnet-Disc-Round-Cylinder-Neodymium-N-50-10mm-x-2mm/172863299932?hash=item283f74a15c:m:mpuqcNvkbENux-q06CtDS4w

1.6x25毫米的指甲片