New from King Arms, enjoy a proper and safe connection when using Lithium-Polymer (Li-Po) batteries!  Made specifically for 11.1V Li-Po batteries*, always use this Protective Circuit Board (P.C.B.) to unsure your LiPo batteries discharge correctily.  The P.C.B. will cut off the battery once it has discharged to a certain point to ensure that your battery won't reverse polarity or burn up!  The P.C.B. plugs between your gun and the battery, ensuring you will always be protected!

*This product is made specifically for 11.1 Volt Lithium-Polymer batteries.  Using it with other battery types or voltages may cause irreversable damage to the battery or the P.C.B.!