Fully compatible, 100% fits, 1 year manufacturer warranty Capacity: 1800 mAh Voltage: 3.7V Battery type: Li-ion Compatible part numbers: 20-16228-07, 20-16228-09 Compatible models: Symbol WSS1000, WSS1040, WSS1050, WSS1060, WT2280, WWC1040, WWC1049, WSS1069, WSS1010, WSS1019 This battery is fabricated by the highest standards. It complies with the strict ISO9001, UL and CE certifications. Moreover it meets the RoHS environmental standards that are applicable since July 2006. This battery is warranted free from fault for 12 months from the date of receipt by the customer (unless otherwise stated). This warranty does not affect your statutory rights as a customer. If goods develop a fault during the 12 month warranty period you should contact us immediately.