... life good quality&service 3.7V Lithium Battery Pack for Water MeterSpecification:Combination way: ICR18650-1S3PRated Voltage: 3 ... ~4AIntroduction:3.7V lithium battery pack is special for smart water meter. 7500mAh with 18650 lithium battery cell in parallel ... 3A.Applications: industrial instrument, consumer electronic products, smart water meter, medical device, test equipment, etc. 3.7V Lithium ...