WT5400/WT6400 PowerPrecision+ Standard Battery, 3500mAh, Supports Operation Between -20C/-4F And 50C/122F
WT5400/WT6400 PowerPrecision+ Extended Battery, 5000mAh, Supports WT6400 Operation Between -30C/-22F And 50C/122F And WT5400 Operation Between -20C/-4F And 50C/122F