Terapump 20175 Battery Powered Transfer Pump TRFA01 Transfer Pump - Automatic - Battery Operated - Requires 4 AA Batteries - Hose Included - Gas / Diesel / Kerosene - Each. Terapump - GRWM_20175. Transfer Pump - Automatic - Battery Operated - Requires 4 AA Batteries - Hose Included - Gas / Diesel / Kerosene - Each.