2.8 AH fast charger is use to charge the battery of the sprayer pump. It usually comes with a power cord that can be plugged into a standard electrical outlet. The charger converts the AC power from the outlet into DC power that can be used to charge the battery
Features
 :- The primary feature is its ability to charge batteries more quickly than standard chargers.
 - These chargers are designed to work with specific battery types, most commonly Lithium-ion (Li-ion) batteries
 - The "fast" aspect implies a higher charging current, which translates to shorter charging times.