7.4V 450mAh Li-plymer(real capacity more 450mAh a little), discharge rate:25C, charge rate 1C, Package include 2 Pack battery, and 2 Pack USB Charger Cable.
Red JST discharge connecctor plug( or called JST-2P), red cable is positive polar, black cable is negative polar, don't be reversed with your rc device. charge plug: XH-3P white 3 Pin.
USB Charger cable built-in over-discharged and over-heating protection circuit, green light is blink red light solid when charging, green light stop blinka after full charged, red light keep solid.
Battery dimensions:52 x 19.7 x 15.8mm /2.0* 0.77 *0.62 inch ,net weight weight:26 gram
7.4V 450mAh Battert suitable for WLTOYS Weili Toys K969 K979 K989 WLTOYS 284131 Remote control trucks.
7.4V 450mAh Battert suitable for WLTOYS Weili Toys 284131 K999 P939 P929 Remote control Cars.