A lead-acid battery comprising: a negative electrode plate; a positive electrode plate; and an electrolyte solution, wherein: the negative electrode plate contains a negative electrode material containing a carbon material; the carbon material contains a first carbon material having a particle size of 32 μm or more, and a second carbon material having a particle size of less than 32 μm, wherein said particle size is determined by a wet-sieving according to JIS Z8815: 1994: using a sieve having an opening of 32 μm which includes a sieve mesh having a nominal opening of 32 μm as defined in JIS Z 8801-1: 2006, wherein a carbon material remaining on the sieve without passing through the opening of the sieve is a first carbon material, and a carbon material passing through the opening of the sieve is a second carbon material; and a ratio of powder resistance R2 of the second carbon material to powder resistance R1 of the first carbon material: R2/R1 is 155 or less, wherein said powder resistance R1 and R2 are measured by a four-point probe method according to JIS K 7194: 1994; and a ratio of a specific surface area S2 of the second carbon material to a specific surface area S1 of the first carbon material: S2/S1 is 20 or more and 240 or less, wherein said specific surface area S1 and S2 are determined by a gas adsorption method using the BET equation according to JIS Z 8830: 2013 7.2. a negative electrode plate; a positive electrode plate; and an electrolyte solution, wherein: the negative electrode plate contains a negative electrode material containing a carbon material; the carbon material contains a first carbon material having a particle size of 32 μm or more, and a second carbon material having a particle size of less than 32 μm, wherein said particle size is determined by a wet-sieving according to JIS Z8815: 1994: using a sieve having an opening of 32 μm which includes a sieve mesh having a nominal opening of 32 μm as defined in JIS Z 8801-1: 2006, wherein a carbon material remaining on the sieve without passing through the opening of the sieve is a first carbon material, and a carbon material passing through the opening of the sieve is a second carbon material; and a ratio of powder resistance R2 of the second carbon material to powder resistance R1 of the first carbon material: R2/R1 is 155 or less, wherein said powder resistance R1 and R2 are measured by a four-point probe method according to JIS K 7194: 1994; and the negative electrode plate contains a negative electrode material containing a carbon material; the carbon material contains a first carbon material having a particle size of 32 μm or more, and a second carbon material having a particle size of less than 32 μm, wherein said particle size is determined by a wet-sieving according to JIS Z8815: 1994: using a sieve having an opening of 32 μm which includes a sieve mesh having a nominal opening of 32 μm as defined in JIS Z 8801-1: 2006, wherein a carbon material remaining on the sieve without passing through the opening of the sieve is a first carbon material, and a carbon material passing through the opening of the sieve is a second carbon material; and a ratio of powder resistance R2 of the second carbon material to powder resistance R1 of the first carbon material: R2/R1 is 155 or less, wherein said powder resistance R1 and R2 are measured by a four-point probe method according to JIS K 7194: 1994; and a ratio of a specific surface area S2 of the second carbon material to a specific surface area S1 of the first carbon material: S2/S1 is 20 or more and 240 or less, wherein said specific surface area S1 and S2 are determined by a gas adsorption method using the BET equation according to JIS Z 8830: 2013 7.2.