Lithium Ion Polymer Battery - 3.7v 2500mAh : ID 328 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
DuraPro 2pcs Xbox Battery 2500mAh +LED Dual Charger for Xbox One/Xbox One S/Xbox One X/Xbox One Elite Wireless Controller
18650 2500mAh Li Ion Battery Cell - Himax lithium battery 3.7V 2500mAh
Discover the Excitement of RC Hobbies with Grayson Hobby RadioMaster 2500mah 3.7v Li-ion 18650 cells (2pc) Your Ultimate Destination for RC Hobbies and FPV Drones and Radio Control Cars and Models
Amazon.com: SPARKOLE 7.4V 2500mAh Li-ion Rechargeable Battery for Speaker/Remote Control Toy/Bluetooth Boom Box/Portable DVD Player/Outdoor Lighting : Toys & Games
Efest 25EF 18650 2500mAh 20A Battery
LiPo Pouch Battery 785060 (3.7V, 2500mAh), 6.90 €
3.7V 2500mAh 505573 Lipo Rechargeable Battery Cells For Power Bank Mobile Phone | eBay
Amazon.com: SPARKOLE 7.4V 2500mAh Li-ion Rechargeable Battery for Speaker/Remote Control Toy/Bluetooth Boom Box/Portable DVD Player/Outdoor Lighting : Toys & Games