3.7V 1S4P 18650 Li-ion Battery Pack with BMS

✅Longer Runtime: Parallel cell design supports extended operating time for compatible low-voltage devices. ✅Protected Power: Built-in BMS helps protect the battery during charging, discharging and daily use. ✅Stable Output: Matched 18650 cells help deliver consistent power for low-voltage electronics. ✅Custom Fit: Connector type and cell layout can be configured for different installation needs. ✅Project Ready: Suitable for replacement, repair, OEM and custom battery-powered systems.