Product(WG185) NITRO 40V BRUSHLESS 15" CORDLESS STRING TRIMMERCutting time per battery charge too short
(WG185) NITRO 40V BRUSHLESS 15" CORDLESS STRING TRIMMER

Cutting time per battery charge too short

Try this solution

Fully charge both batteries and ensure that they are equally powered

Possible cause:
Batteries are not equally charged.