NEEWER Q4 Battery Pack 21.6V/2800mAh Lithium Rechargeable Battery Replacement Only Q4 Studio Flash Strobe Light, NB-Q4

• 【Exclusively for Q4 Flash】 Only compatible with NEEWER Q4 400Ws 2.4G TTL flash strobe light. Charging adapter is NOT included. Please use the adapter that came with your original Q4 Flash (sold separately)
• 【21.6V/2800mAh Li ion Battery】 This high capacity Li ion polymer battery uses high quality battery cells for extended run time
• 【400 Full Power Flashes】 One charge can give up to 400 times full power flash use, which can provide sufficient shooting time and improve your shooting experience
• 【Safety & Reliable】 Adopting high quality materials and advanced technology, the lithium ion battery features built in over charge, over discharge, over voltage, over current, and over heating protectionF
• 【Easy to Carry】 Lightweight at just 0.9lb/410g, with high energy density, high recycle life, and long lifespan, this replacement lithium battery is portable and convenient to carry with you