lels 36v20ah silver fish electric bike lithium ion battery for 350w 500w 42v 20ah ebike li-ion battery use 18650 cells with 2a charger

return policy details buyers can return the goods within 7 days from the date of receipt of the goods and bear the return shipping costs. the item must be returned under the same exact conditions as after delivery. if the received goods do not match the description or have quality problems, the buyer can return the goods for a refund within 7 days from the date of receipt of the goods.