Battery waste is a serious environmental problem but you can do your part to help address it by making the switch to these TrustFire Protected 14500 3.7V 900mAh Rechargeable Lithium Batteries. Because they are rechargeable these batteries can be reused again and again so they won't wind up in landfills. Not only does this help to save the planet but it also helps to save you money as you will not have to frequently purchase batteries to keep your devices running optimally. Truly of the finest quality the lithium ion batteries feature PCB protection to prevent overcharging or overloading when you recharge. Normal 0 7.8 ? 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:????; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri""sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Do you want the economical and greener lifestyles? Maybe you should start from minor matter to use the TrustFire protected 14500 rechargeable Lithium batteries. The AA rechargeable batteries adopt universal standards most of them suitable for cameras toys and many other electronic devices. It features extensively long working life and high efficiency. The protected batteries are with integrated PCB Protection for safe use. - 100% brand with integrated PCB Protection - Lithium Ion 14500 cylindrical rechargeable batteries - Lighting or other device needing 3.7V power