Synergy Digital Medical Battery, Compatible with BrandTech accu-jet, accu-jet pipette controllers Medical Battery (2.4V, Ni-MH, 2000mAh) - Walmart.com
Batteries N Accessories BNA-WB-H9699 Wireless Headset Battery - Ni-MH, 2.4V, 700mAh, Ultra High Capacity - Replacement for Plantronics 80639-01 Battery - Walmart.com
GTK LTO 2.4v 11Ah 12Ah LTO Lithium titanate battery cell accu high 15C 2.3v 10Ah for diy pack power motor super long life|Replacement Batteries| - AliExpress
HFR-50AAJY1900x2(B), HRLR15/51 Battery for Nvidia P2920 Shield TV Game Controller, 1800mAh - sold by smavco - Walmart.com
5pcs LTO 2.4v 12Ah Lithium titanate battery cell lto accu high 15C UP 2.3v 10Ah for diy pack power motor pouch super long life - AliExpress
GP Accu Siemens NiMH 2.4V 400mAh | Bestel bij Handyman