深圳星熠科技有限公司 Sevenstar Technology Co., Ltd.
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  • FAQ’s Related To The Battery of self-balancing scooter

    Q: Do I need to charge the batteries before using them?A: Yes, you should charge the batteries fully before first using the scooter (2-3 hours or until the green light displays on your charger).Q: How...

    2016/12/29 admin

  • Some Questions About Sevenstar Jump Starter You May be Interested In

    1.What kind of batteries can I use jump starter on?It can be used on any 12-volt lead-acid battery, such as, Wet, Gel, Maintenance-Free, Enhanced Flooded Battery (EFB) and AGM.      2. ...

    2016/12/29 admin

  • Comparison among LiFePO4, lead acid Battery and Lithium Battery

    attery type   LiFePO4lead acid batteryLithium batteryStandard voltage platform(V)3.223.7Life cycle2000300500Energy density(Wh/kg)12035160Over charging voltage and current   Pr...

    2016/12/29 admin

  • What battery capacity can jump starter a 3.0L gasoline car?

    Gasoline6,000mAh (22.2Wh) for < 2.5L8,000mAh (29.6Wh)  for 2.5L ~ 3.0L10,000mAh (37Wh)   for 3.0L ~ 3.5L12,000mAh (44.4Wh) for 3.5L ~ 4.5LDiesel8,000mAh (29.6Wh)  for < 2.5L1...

    2016/12/29 admin

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Hot news

  • Sevenstar Attended Agenda Show Jan 2018
  • Sevenstar Attended CES Show Jan. 2018
  • Yuneec E-Go2 review: an extremely reasonable electric skateboard
  • [2017-1-28] Review of Sevenstar at CES 2017
  • [2016-10-18] Gallery Review of October Hong Kong Electronics Fair
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Tel: 86-0755-23199802 Fax: 86-0755-23199892 E-mail: sales@sevenstarltd.com

Address: 10th Floor, Yuyongxing Industrial Park, No. 345, Changfeng Road, Yutang Sub-district, Guangming District, Shenzhen, China

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