Sealed lead acid battery 12v 8ah

This workhorse SLA 12 VDC 8AH battery fits all versions of the M4 backpack. Easy to charge using the built in system in the M4 backpack sprayer or available external battery chargers. See picture showing maximum bend angle for J2 terminals to engage battery compartment spring plates (15-30 degrees). If you already own name brand lithium ion 20 volt power tool batteries (ie, DeWalt, Milwaukee, Makita, Ridgid, Black and Decker, etc) and would like to convert you M4 sprayer to use them instead of replacing the brick style battery, use the link below for the battery conversion kit (requires installation): https://my4sons.com/collections/new-products/products/battery-base-plate-upgrade-for-dewalt-milwaukee-bosch-makita-black-and-decker-ridgid-hercules-battery-and-charger-not-included If our listing is out of stock please head to amazon to purchase this battery replacement.  If you have a digital voltmeter, refer to the Battery Condition Based on Voltage Table below: DC Volts            Con