Product name:CFM 20V Voltage:20V Capacity:4000mAh Battery type:Replace CraftsMan 20V cordless tools battery pack Product color:Black&red Applicable tool models:315.114832,315.115810,315.115410,320.25708,C319.2Volt,10126,11541,11543,11570,11576,11569,11578,11580,11585,11586,11642,17191,17310,17338,17339,25708,CRS1000 1.Please fully charge the battery before using this product. 2.Please complete 3 charge and discharge cycles before using this product,that is,fully charge three times and then discharge three times to complete the activation step 3.If you have any questions,please contact our customer service in time to provide technical support.Guarantee:Reject fake labels,strictly follow the capacity label production,up to 12 months warranty,1 month worry-free refund. PERFORMANCE:Using A-class batteries,non-previous generation batteries,under the same capacity,the running time is stronger and more durable than the previous generation,thus improving user efficiency and convenience. COMPATIBLE:Compatible with CraftsMan 20V cordless tool battery original model:11374,11375,11376,130279003,130211004,130279005,130285003,1323903,1323517,315.114480,315.114852,315.101540,15.11448,315.115410. RELIABILITY:Even in the extreme+40°/-3°C(+128°F/-63°F)environment,the latest and reliable technology enables CFM 20V battery pack and its stability to ensure normal operation. SAFETY:Using High magnification battery,using the latest technology,can prevent overcharging,discharging and overheating,safe and durable,no memory effect,fully compatible with the original battery pack.