For lead storage battery pick the correct statements

A. During charging of battery, $\mathrm{PbSO}_{4}$ on anode is converted into $\mathrm{PbO}_{2}$

B. During charging of battery, $\mathrm{PbSO}_{4}$ on cathode is converted into $\mathrm{PbO}_{2}$

C. Lead storage battery consists of grid of lead packed with $\mathrm{PbO}_{2}$ as anode

D. Lead storage battery has $\sim 38 \%$ solution of sulphuric acid as an electrolyte

Choose the correct answer from the options given below: