Amazon.com: DALY Programmable Configurable Smart BMS 12S 36V 300A LiFePO4 Battery Protection Module PCB Protection Board with Balance Leads Wires BMS 36V with Bluetooth Module UART RS485 CAN and Cooling Fan… :
Portable USB Rechargeable Light Bulbs with Remote, 9W Emergency LED Light Bulb 1800mAh Battery Operated with Timer Hook, 5 Modes, Amber Daylight for Power Outage Home Camping Tent Hiking(Green) - Walmart.com
Woodys Digger Support Plates Double A Lum. 5/16" 48/Pk - ADD2-3775-B - Speed Addicts
Qishi 33 Feet 100 Led Fairy Lights Battery Operated with Remote Control Timer Waterproof Copper Wire Twinkle String Lights for Bedroom Indoor Outdoor Wedding Dorm Decor Cool, White - Walmart.com
Amazon.com: Daly Smart 4S 12V 200A LiFePO4 Battery Bluetooth BMS common port with Balance Lead + Bluetooth Module + NTC Temperature Sensor : Electronics
Bluetooth Battery Monitoring System- Thornwave PowerMon