1 2pcs batteries with large capacity: 2700mAh capacity, provides enduring working time, brings you longer funny time.
2 Support balance charger: with JST-XH balance plug, support balance charging which could protect the battery very well.
3 7.4V Lipo Battery: suitable for Wltoys 10428-A 10428-B 10428-B2 10428 1/10 RC Crawler Car Feilun FT012 rc boat.
4 Rechargeable: could be charged and discharged multiple time, durable and save money.
5 Light weight and safe: suitable for outdoor playing, safe in normal use, good choice for your rc model.