【3000mAh High Capacity Battery】 7.2V/3000mAh high capacity li ion polymer battery uses international battery cells for extended run time. NOTE: For optimal battery longevity, please fully charge the battery before first use 【For Z3/Z3R/Z1/Z2/Z2PRO/Z760/Z880 Speedlite Flash】 Compatible with NEEWER Z3R-C Z3R-S Z3R-N Z3R-F,Z3-C Z3-S Z3-N Z3-F,Z2PRO-C Z2PRO-S Z2PRO-N, Z2-C Z2-S Z2-N, Z1-C Z1-S Z1-N, Z760-C Z760-S Z760-N, Z880-C Z880-S Z880-N TTL flash speedlite, compatible with Sony Nikon Canon cameras 【Quick & Efficient Charging Options】 The 7.2V/3000mAh replacement li ion battery charges quickly, with a full charge in just 3 hours using the charging dock (not included) or 2.5 hours using the included Type C charging cable 【Safety & Reliable】 Adopt premium materials and advanced technology, the lithium ion battery features built in overcharge, over discharge, over voltage, over current, and overheating protection 【Easy to Carry】 With high energy density, high recycle life, and long lifespan, this replacement lithium battery is portable and convenient to carry with you