Specifications: Battery Type: Li-Polymer Battery A nice backup or replacement Compatible Model: For Google Pixel 1 | XL | 2 | 2 XL | 3 | 3 XL | 3A | 4 | 4 XL Model : Google Pixel Battery Model: B2PW4100 Battery Type: Li-Polymer Battery A nice backup or replacement Battery Capacity: 2770m - Ah/3.85V Standard Voltage: 4.4V Model : Google Pixel XL Battery Model: B2PW2100 Battery Type: Li-Polymer Battery A nice backup or replacement Battery Capacity: 3450m - Ah/3.85V Standard Voltage: 4.4V Google Pixel 1 5.0 Battery Type: B2PW4100 | 35H00261-00M Battery capacity: 2770m - Ah Voltage limit: 3.85V Google Pixel 2 5.0 Battery Type: G011B-B Battery capacity: 3830m - Ah Voltage limit: 3.85V Google Pixel XL 5.5 Battery Type: B2PW2100 Battery capacity: 3450m - Ah Voltage limit: 3.8V Google Pixel 2 XL 6.0 Battery Type: Google Pixel 2 XL Battery capacity: 3520m - Ah Voltage limit: 3.85V Google Pixel 3 5.5" Battery Model: G013A-B Battery Type: Li-ion Battery Capacity: 2915m - Ah Voltage Limit: 3.85V Google Pixel 3 XL 6.3" Battery Model: G013C-B Battery Type: Li-ion Battery Capacity: 3430m - Ah Voltage Limit: 3.85V Google Pixel 4 Google Pixel 4 XL Package included: 1 x Battery + Tools