12800 mAh Type-C USB 9 Volt Li-ion Rechargeable Battery 6F22 9V Li-ion Lithium Battery for RC Helicopter, Microphones & Toys-Simply JuJa-$29.75
TENS 7000 Official Rechargeable 9v Batteries Kit | Carex
Discharge tests and capacity measurement of 9 volt transistor radio batteries at high current, 100mA to 500mA engineering data
Amazon.com: LCLEBM 9V Rechargeable Batteries, 1300mAh High Capacity Lithium-ion Long Lasting 9 Volt Square Batteries with 2 in 1 USB-C Fast Charging Cable for Smoke Detector, Microphone (Pack of 2) : Health
9 Volt Powerizer NiMH Battery (200 mAh)
Energizer Recharge Universal Rechargeable 9V Batteries, 1 Pack - For Multipurpose - Battery Rechargeable - 9V - 9 V DC - 150 mAh - Nickel Metal Hydride (NiMH) - 1 Each - Office Supply Hut