• 1. button lithium battery: 扣式锂电池
• 2. button n lithium battery: 扣式锂电池

• 1.The set is consisted of kernel processor board, management circuit of power supply, LCD, touching screen, push-button and lithium battery etc.
  该系统由核心处理器板、电源管理电路、LCD、触摸屏、按键、锂电池等组成。
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