Coin Cell Battery Complete Guide: CR2032, LR44 & More | 纽扣电池完整指南 | Panduan Lengkap Bateri Kancing

中文版

纽扣电池型号完整指南

纽扣电池（也称圆形电池或按键电池）广泛用于手表、计算器、遥控器、助听器等小型设备。了解如何读取型号，让你买对电池。

如何读取型号

纽扣电池的型号由化学乃至尺寸组成：

  • CR — 锅氟电池（最常见）
  • LR — 碱性电池
  • 数字部分：前两位表示直径（mm），后两位表示厚度（以 0.1mm 为单位）

常见型号对照表

型号 直径 厚度 电压 常用设备
CR2032 20mm 3.2mm 3V 主朿电池、遥控器、手表
CR2025 20mm 2.5mm 3V 计算器、小型设备
CR2016 20mm 1.6mm 3V 手表、卡片锁
LR44 / AG13 11.6mm 5.4mm 1.5V 手表、玩具、量血压计
CR1220 12mm 2.0mm 3V 小型手表、心率监测仪
CR1632 16mm 3.2mm 3V 汽车遥控器、健康监测设备

购买建议

  • 拆下旧电池，按照型号购买完全相同的型号
  • CR 系列不可用 LR 替代，电压不同会损坏设备
  • 选购知名品牌（如 Panasonic、Energizer、GP），避免无由漏电

English Version

Coin Cell Battery Complete Guide: CR2032, LR44 & More

Coin cell (button) batteries power watches, calculators, car remotes, hearing aids, and many small electronics. Knowing how to read the model number saves you from buying the wrong one.

How to Read the Model Number

  • CR — Lithium chemistry (most common)
  • LR — Alkaline chemistry
  • Numbers: first 2 digits = diameter (mm), last 2 digits = thickness (in 0.1mm units)

Common Models Reference Table

Model Diameter Thickness Voltage Common Devices
CR2032 20mm 3.2mm 3V Motherboards, remotes, watches
CR2025 20mm 2.5mm 3V Calculators, small devices
CR2016 20mm 1.6mm 3V Watches, card locks
LR44 / AG13 11.6mm 5.4mm 1.5V Watches, toys, blood pressure monitors
CR1220 12mm 2.0mm 3V Small watches, heart rate monitors
CR1632 16mm 3.2mm 3V Car key fobs, health monitors

Buying Tips

  • Remove the old battery and match the model number exactly
  • CR and LR are not interchangeable — different voltages can damage your device
  • Choose trusted brands (Panasonic, Energizer, GP) to avoid unexpected leakage

Versi Bahasa Malaysia

Panduan Lengkap Bateri Kancing: CR2032, LR44 & Lain-lain

Bateri kancing (coin cell) digunakan dalam jam tangan, kalkulator, kawalan jauh kereta, alat bantu pendengaran dan pelbagai peranti kecil. Ketahui cara membaca nombor model untuk memilih bateri yang betul.

Cara Membaca Nombor Model

  • CR — Kimia litium (paling biasa)
  • LR — Kimia alkali
  • Nombor: 2 digit pertama = diameter (mm), 2 digit terakhir = ketebalan (unit 0.1mm)

Jadual Rujukan Model Biasa

Model Diameter Ketebalan Voltan Peranti Biasa
CR2032 20mm 3.2mm 3V Papan induk, kawalan jauh, jam tangan
CR2025 20mm 2.5mm 3V Kalkulator, peranti kecil
CR2016 20mm 1.6mm 3V Jam tangan, kunci kad
LR44 / AG13 11.6mm 5.4mm 1.5V Jam tangan, mainan, monitor tekanan darah
CR1220 12mm 2.0mm 3V Jam tangan kecil, monitor kadar jantung
CR1632 16mm 3.2mm 3V Kunci kereta, monitor kesihatan

Tips Membeli

  • Keluarkan bateri lama dan padankan nombor model dengan tepat
  • CR dan LR tidak boleh ditukar ganti — voltan berbeza boleh merosakkan peranti
  • Pilih jenama terpercaya (Panasonic, Energizer, GP) untuk elakkan kebocoran
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