Brand：SUM Item：Mobile Coffee Machine Battery Size：56*151*312（mm） Nominal Capacity：20Ah Charge Current：4A Normal Voltage：59.2V Discharge condition：Load resistance 3.9Ω, 24/day, cut-off 0.9V Shelf Life：5 yearsSend Inquiry
Ⅰ/ Products specs
|Environment of usage||-40℃~80℃|
Ⅱ/ Product description
The products produced by Sum Electronics have been strictly inspected of quality and safety, and all products can meet various certification standards such as UL, CE and KC.
safety performance testing
1.high-low temperature pressure:
Change the temperature between 80±5℃ and 0℃, and simulate pressure of 5 ~ 7T meanwhile the battery is molded under extreme temperature and pressure conditions.
2. temperature cycle
The battery should be placed separately at least 6h at the temperature of (75±2)℃ and (-40±2)℃ with 30min being allowed in temperature conversion. Put the testing battery in (20±5)℃ after thermal shock ten times and evaluate the sealing integrity and internal electric connection on the condition with rapidly changing temperature.