Custom 18650 battery Packs and Modules depend on customer requirementShenzhen Improve Battery Co., Ltd. was established in ... manufacturing and exporting rechargeable lithium battery, like li-ion battery, li-polymer battery, nimh batteries.Company Overview· Established ... DMB,(8) DVD, Portable DVD(9) MID,(10) Digital camcorder, Digital camera(11) Electronic cigarette(12) Notebook computer, Portable ...