Thank you for viewing. This is a new, unused lithium-ion battery for use in radio-controlled models, etc. Battery type: ・14500 3.7V 800mAH, 1 piece. The connector standard is the SM connector shown in the image. How about a spare battery? A charger is available for 800 yen. Shipping will be via Yu-packet Post Mini. Please feel free to ask if you have any questions. Thank you. # Lithium-ion battery # Lithium iron phosphate # 18650 # 14500 # Charger # USB # SM connector # 2-pin connector # Battery # Radio control # R/C # Buggy # Excavator # Dump truck # Truck # Construction vehicles