Upgrade your Smart Fish Scale Lite with the BUBBA Rechargeable 18650 Li-Ion Battery. With a robust 2500 mAh capacity and 3.7V power, this battery eliminates the need for extra AAA batteries and offers easy recharging with the included USB-C cord. Never worry about your scale running out of power when you land your next big catch-it's an essential upgrade for every angler seeking hassle-free performance.