??Compatible Model: 310, 320, 327, 327 Gas Analyser, 330, 350, 870, 870-1 Thermal Imager ??Compatible Battery Part Number: 0515 0046, 0515 0100, 0515 0114, 0554 1087 ??Specifications: Voltage:3.7V Capacity: 2200mAh / 8.14Wh Size: 74.50 x 20.80 x 28.50mm Weight:74.5g ??Tips Before Purchase Please double confirm the compatible model and original battery part number before you purchase it. If you are not sure,please feel free to send email to us with your battery details or pictures, we will give you free professional suggestion. Your satisfaction is very important to us,if you have any questions,Please feel free to send eamil contact us,and we will reply within 24 hours.??After-sales Service:12 month Warranty and 14 day Money Back Guarantee. Your satisfaction is important to us, please feel free to contact us with any question, 24*7 Email support. ??Quality Certification:ROSH, CE and UL triple certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection. ??High capacity circulation function, perfect replace your original batteries. ??Specification:Voltage:3.7V,Capacity:2200mAh / 8.14Wh,Size:74.50 x 20.80 x 28.50mm,Weight:74.5g. ??Compatible With: 310, 320, 327, 327 Gas Analyser, 330, 350, 870, 870-1 Thermal Imager.