2900 mah aa nickel metal hydride nimh rechargeable batteries with charger for nikon coolpix b500, l26, l28, l30, l32, l320, l330, l610, l620, l810, l820, l830, l840 digital camera + more!! - Newegg.com
Nikon Coolpix L840 Review
Battery compatible for NIKON COOLPIX L840
Nikon Coolpix L840 AA Battery Post : r/fixit
Nikon Coolpix L840: Is This the Best Budget Used Digital Camera? - TurboFuture