2x 9V 650mAh USB Type-C Rechargeable Lithium-Ion Li-Ion Battery PP3 6LR51 UK | eBay
Buy Lloytron 9v PP3 250mAH NI-MH Rechargeable Battery from £4.99
Duracell Single 9V Rechargeable Batteries NiMH HR9V P1 DU | Cromwell Tools
EBL 9 Volt 600mAh Rechargeable Batteries Li-ion Batteries with Smart LCD 9V Battery Charger for 9V Lithium-ion/Ni-MH/Ni-CD Rechargeable Batteries: Amazon.co.uk: Electronics & Photo
4 Pack 9V Rechargeable Batteries 1300mAh, 9V Rechargeable USB Lithium Long Lasting Battery, with 2 in 1 Charging Cable, for Smoke Detectors, Alarms, Keypad, Microphone: Amazon.co.uk: Electronics & Photo
Duracell Rechargeable 9V Battery
USB 9V Lithium ion Rechargeable Battery, High Capacity 650mAh Rechargeable 9V Battery, 1.5 H Fast Charge, 1200 Cycle with Type C Port Cable, 2-Pack: Amazon.co.uk: Electronics & Photo