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As of November 2018
Monthly battery export and import statistics
(source: Trade statistics released by the Ministry of Finance, Japan)

Unit: 1,000 (Quantity), million JPY (Amount)
  November 2018 Accumulated total from January to November 2018
Quantity Amount y-o-y change in quantity y-o-y change in amount Quantity Amount y-o-y change in quantity y-o-y change in amount
Total of all batteries (exported) 202,115  48,209  94%  103%  2,368,221  543,949  97%  113% 
Total of primary batteries 104,960  2,571  120%  98%  1,042,980  28,160  95%  97% 
Zinc carbon 0%  0%  28  1770%  21% 
Alkaline 5,048  91  97%  83%  39,904  828  93%  96% 
Silver oxide 49,351  686  123%  126%  467,477  6,290  89%  99% 
Lithium 50,552  1,669  121%  93%  534,526  19,001  101%  92% 
Zinc air 790  85%  82% 
Others 11  126  111%  78%  255  2,032  674%  183% 
Total of secondary batteries 97,155  45,638  75%  103%  1,325,241  515,789  99%  114% 
Lead-acid 155  1,168  76%  77%  1,963  15,597  99%  108% 
Nickel cadmium 1,545  180  52%  63%  15,490  1,745  77%  86% 
Nickel iron 2011%  222% 
Nickel metal-hydride 8,993  8,262  97%  116%  138,488  89,429  97%  120% 
Lithium ion 79,676  19,895  75%  79%  1,075,255  261,038  99%  99% 
Others 6,786  16,132  65%  160%  94,045  147,976  105%  152% 
Total of all batteries (imported) 188,850  21,236  124%  109%  1,433,509  180,313  110%  118% 
Total of primary batteries 178,891  2,943  124%  119%  1,338,997  21,887  110%  105% 
Zinc carbon 17,832  214  97%  90%  155,795  1,700  101%  97% 
Alkaline button 3,033  29  80%  116%  26,855  202  87%  88% 
Alkaline (exc. button type) 135,927  1,855  130%  134%  959,214  12,336  114%  108% 
Silver oxide 200  150%  157%  2,031  66  162%  158% 
Lithium 16,054  725  116%  122%  137,766  6,016  99%  106% 
Zinc air 5,844  94  186%  156%  57,058  984  110%  105% 
Others 21  2%  12%  278  584  107%  78% 
Total of secondary batteries 9,959  18,293  114%  108%  94,512  158,426  110%  120% 
Lead-acid 816  3,853  106%  110%  7,291  34,026  98%  104% 
Nickel cadmium 82  131  99%  62%  661  1,565  84%  84% 
Nickel iron 8%  16% 
Nickel metal-hydride 2,383  458  122%  101%  21,587  4,431  102%  98% 
Lithium ion 6,541  12,827  115%  111%  63,622  106,760  115%  133% 
Others 138  1,025  67%  86%  1,350  11,642  105%  96% 
Total values may differ because they are rounded off to the nearest integer.

As of 2012, the "Others" category of imported secondary batteries has been separated into Nickel metal-hydride, Lithium ion and Others.
As of 2016, the "Alkaline" category of imported primary batteries has been separated into "Alkaline button" and "Alkaline (exc. button type)" categories.