Since 2006 Jupio has been an industry leader in after-market batteries, typically our batteries exceed the original manufactures specs and performance. Over 400 types of batteries are available, including many older model batteries. Jupio is the industry leader in Australia, Spain, Netherlands and Sweden and are now available in the USA. Unlike most after-market batteries, Jupio tests each battery and we only publish the TRUE mAh for each battery type. Our direct partnerships allow us to be first to market when new cameras are announced. In addition, we manufacture all of our tooling in house, so you can always be sure to have a perfect fit. Jupio is ISO 9901 and 14001 Certified. Due to our constant turnover we have the capability to do weekly production runs, not only does this allow us to be very nimble but assures you that your battery is as fresh as can be. All Jupio batteries are 100% memory-free. Jupio batteries have an extensive 3-YEAR no-nonsense Unconditional Warranty. We use recycled materials whenever possible to maintain a green footprint and only the very best cells available guarantee a minimum of 500 Charge/Discharge cycles. Since 2006 Jupio has been an industry leader in after-market batteries, typically our batteries exceed the original manufactures specs and performance. Over 400 types of batteries are available, including many older model batteries. Jupio is the industry leader in Australia, Spain, Netherlands and Sweden and are now available in the USA. Unlike most after-market batteries, Jupio tests each battery and we only publish the TRUE mAh for each battery type. Our direct partnerships allow us to be first to market when new cameras are announced. In addition, we manufacture all of our tooling in house, so you can always be sure to have a perfect fit. Jupio is ISO 9901 and 14001 Certified. Due to our constant turnover we have the capability to do weekly production runs, not only does this allow us to be very nimble but assures you that your battery is as fresh as can be. All Jupio batteries are 100% memory-free. Jupio batteries have an extensive 3-YEAR no-nonsense Unconditional Warranty. We use recycled materials whenever possible to maintain a green footprint and only the very best cells available guarantee a minimum of 500 Charge/Discharge cycles. Overview Jupio's Ultimate Battery for Broadcast & Pro Video: *ProLine* EN-EL4 / EN-EL4A 3350mAh Specifications Battery Chemistry: lithium_ion Battery Included: Yes Capacity - mAh: 3350 Includes Rechargeable Battery: Yes Lithium Content (g): 1.02 Weight: 0.37lb / 0.17kg Voltage: 11.1 Warranty: 3 Years Watt Hours: 37.2 Read More