TIANNENG BATTERY GROUP revenue for the last year amounted to 47.75 B CNY, the most of which — 44.41 B CNY — came from its highest performing source at the moment, Lead Battery, the year earlier bringing 37.40 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought TIANNENG BATTERY GROUP 45.05 B CNY, and the year before that — 41.50 B CNY.