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Specification: 135 * 125 mm weight :200g approx Function: used for 6 v battery, 12 v battery if connected in series

1) A grade polycrystalline panels: 2 w
2) output voltage/current: 9 v; About 220 ma;

Working time:if there is plenty of sun it can be normal used, non electricity storage products, working and being used at the same pace
Service life: use 20 to 25 years if normally used