2Pcs 7.4V 4400mAh Li-ion Battery Pack RC Replacement Rechargeable Battery Pack Built-in 18650 * 4 Cell for Airplane DIY,Fishing lights,Doorbell,Handheld Fan,Radio,Speakers,etc.

♻️Li-Ion Size: This 7.4V rechargeable li-ion battery pack is made of 4Pcs 2200mAh Power Cells. Total Capacity: 4400 mAh, Working Voltage: 7.4V, Size: 68*37*37mm/2.68*1.46*1.46Inch. ♻️Wide Application: This Rechargeable Lithium Ion Battery Pack can be used for walkie talkie, electric drills, Fishing lights, RC Cars, LED Headlamp, Digital Camera, Mobile speakers,etc. ♻️Multi-protections: This Li-ion Rechargeable Battery Pack with overcharging, over discharge, over current, short circuit protection and steady voltage circuit. ♻️Low-self Discharge: Can be recharged up to 1000 times with no memory effect, more economical. Can maintain 80% capacity for 12 months use. Warm notice: please confirm the battery type and connector type of your electric devices before order.