Batteries

EEMB Lithium Polymer battery 3.7V 820mAh 653042 Lipo Rechargeable Battery Pack with wire JST Connector-confirm device & connector polarity before purchase(100) Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector... EEMB Lithium Polymer battery 3.7V 820mAh 653042 Lipo Rechargeable Battery Pack with wire JST Connector-confirm device & connector polarity before purchase(100)