Table schema:
CREATE TABLE table_name_11 (capacity VARCHAR, volts VARCHAR, power_to_weight_ratio VARCHAR)

Question: What is the capacity with 2.7v volts and a power-to-weight ratio of 5.44 w/kg c/1 (1.875a)?
SQL: SELECT capacity FROM table_name_11 WHERE volts = "2.7v" AND power_to_weight_ratio = "5.44 w/kg c/1 (1.875a)"