Certificate: RoHS, CE, ISO9001, MSDS,etc Capacity:400MAH Voltage:4.8V Size:AA/AAA Apply to lawn light ,power tools , ... charge available;3 Provide both single cells and battery packs;4 All products are inspected strictly with the match of capacity ... carton is 37cm*30cm*12cm.1000 pieces in a carton 4.8V NI-MH rechargeable battery packs