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Five-year battery export and import statistics
(source: Trade statistics released by the Ministry of Finance Japan)

Export
  Amount (100 million yen) Quantity (100 million pcs)
2013 2014 2015 2016 2017 2013 2014 2015 2016 2017
Primary batteries
Zinc carbon 1 0 1 0 0 0.0 0.0 0.0 0.0 0.0
Alkaline 8 9 7 8 10 0.5 0.4 0.3 0.5 0.5
Silver oxide 70 70 71 62 71 4.9 5.2 5.4 5.3 5.9
Lithium 150 178 215 214 228 4.2 4.6 5.3 5.8 5.8
Others 9 10 11 6 13 0.0 0.0 0.0 0.0 0.0
Subtotal 238 267 304 290 322 9.6 10.2 11.0 11.6 12.1
Secondary batteries
Lead-acid 106 107 135 136 158 0.0 0.0 0.0 0.0 0.0
Nickel cadmium 96 56 59 30 23 1.1 0.6 0.6 0.4 0.2
Nickel iron 0 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Lithium ion 2,004 2,152 2,460 2,840 2,884 7.7 8.8 9.6 12.0 11.8
Nickel metal-hydride 667 610 655 733 832 1.5 1.3 1.5 1.8 1.6
Others 902 1,075 938 695 1,114 0.5 0.5 0.3 0.9 1.0
Subtotal 3,775 4,000 4,247 4,433 5,012 10.8 11.2 12.1 15.0 14.7
Total 4,013 4,267 4,551 4,724 5,334 20.4 21.4 23.1 26.6 26.8
Total values may differ because they are rounded off to the nearest whole number or decimal place.

Import
  Amount (100 million yen) Quantity (100 million pcs)
2013 2014 2015 2016 2017 2013 2014 2015 2016 2017
Primary batteries
Zinc carbon 18.4 20.6 20.1 18.3 19.9 1.7 1.7 1.4 1.7 1.8
Alkaline 126.0 132.7 143.6 124.5 129.8 10.1 10.0 9.9 9.5 9.8
Silver oxide 1.7 1.1 0.9 0.8 0.5 0.1 0.0 0.0 0.0 0.0
Lithium 59.0 63.3 62.6 54.8 62.3 1.6 1.4 1.4 1.4 1.5
Others 14.3 31.5 17.0 16.7 18.1 0.5 0.6 0.6 0.7 0.6
Subtotal 219.4 249.1 244.2 215.2 230.5 14.0 13.7 13.3 13.4 13.6
Secondary batteries
Lead-acid 293.8 315.6 332.1 327.1 361.9 0.1 0.1 0.1 0.1 0.1
Nickel cadmium 22.9 21.3 20.9 17.4 20.2 0.0 0.0 0.0 0.0 0.0
Nickel iron 0.1 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0
Others - - - - - - - - - -
Lithium ion 638.9 567.8 767.6 814.8 906.1 0.5 0.4 0.5 0.6 0.6
Nickel metal-hydride 55.4 61.2 61.4 50.8 49.7 0.2 0.2 0.2 0.2 0.2
Others 115.3 108.1 152.8 132.1 133.2 0.2 0.2 0.1 0.0 0.0
Subtotal 1126.4 1073.9 1334.7 1342.2 1471.1 1.0 1.0 0.9 0.9 1.0
Total 1345.8 1323.0 1578.9 1557.4 1701.6 15.0 14.6 14.2 14.3 14.6
Total values may differ because they are rounded off to one decimal place.
In 2012, "Others" in "Secondary batteries" was divided into "Lithium ion," "Nickel metal-hydride" and "Others."