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As of March 2019
Monthly battery export and import statistics
(source: Trade statistics released by the Ministry of Finance, Japan)

Unit: 1,000 (Quantity), million JPY (Amount)
  March 2019 Accumulated total from January to March 2019
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) 201,314  51,875  91%  98%  544,048  137,066  85%  96% 
Total of primary batteries 104,175  2,687  112%  105%  285,191  7,376  110%  103% 
Zinc carbon 55  202  20 
Alkaline 6,699  122  128%  119%  19,881  364  155%  158% 
Silver oxide 54,447  670  138%  129%  134,689  1,729  119%  111% 
Lithium 42,731  1,479  88%  83%  130,057  4,270  97%  86% 
Zinc air 242  362  153%  139% 
Others 408  258%  266%  989  79%  243% 
Total of secondary batteries 97,139  49,187  76%  98%  258,857  129,690  68%  96% 
Lead-acid 186  1,413  99%  54%  518  3,792  96%  73% 
Nickel cadmium 811  95  74%  81%  2,387  457  36%  70% 
Nickel iron 0%  0%  0%  0% 
Nickel metal-hydride 12,947  10,049  93%  118%  30,110  26,202  85%  116% 
Lithium ion 75,516  21,240  74%  80%  208,481  58,162  67%  75% 
Others 7,679  16,390  70%  130%  17,361  41,076  65%  143% 
Total of all batteries (imported) 124,758  18,529  100%  121%  391,496  58,303  102%  118% 
Total of primary batteries 115,727  1,858  99%  99%  364,315  6,081  101%  109% 
Zinc carbon 10,829  109  67%  62%  37,511  386  80%  76% 
Alkaline button 2,203  19  149%  190%  7,707  57  97%  90% 
Alkaline (exc. button type) 84,933  1,037  103%  103%  267,065  3,365  106%  107% 
Silver oxide 230  131%  92%  459  15  65%  68% 
Lithium 11,666  524  108%  101%  36,123  1,689  100%  110% 
Zinc air 5,862  144  102%  128%  15,431  377  98%  141% 
Others 17  20%  34%  19  191  26%  245% 
Total of secondary batteries 9,031  16,671  117%  124%  27,181  52,222  110%  119% 
Lead-acid 709  3,346  116%  116%  2,101  9,474  103%  99% 
Nickel cadmium 51  120  164%  123%  117  363  84%  83% 
Nickel iron
Nickel metal-hydride 1,780  432  88%  118%  5,687  1,183  95%  93% 
Lithium ion 6,302  12,117  126%  135%  18,866  39,141  117%  135% 
Others 190  657  253%  58%  410  2,061  95%  56% 
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.