本产品外形尺寸、外观等同于常规产品，低容量设计，适合使用电流比较低、无需浪费冗余容量的应急灯、音响、安防、电子秤等小型仪器仪表之使用,一般以OEM为主。The productdimension,appearanceis equivalent to the conventional products, low capacity design, the use of suitable for current relatively low, no emergency lamp, waste redundant capacity audio, security, electronic scales and other small instrument；Generally based on OEM