Kindly noted, this battery only fit CTB8185 series. This battery DO NOT FIT CTB4187 CTB6187. They are different battery models.
If you are not sure, please kindly contact us, we would like to help you find correct battery, thanks for your support !

Battery Details>
Model: CTB8185
Volt: 18V
Capacity: 4000mAh / 4Ah
Size: 11.8 cm * 7.8 cm * 7.1 cm
Weight: 700g

Charger Details>
Model: CTC720
Input: 110-260VAC 50-60Hz;
Output: 18V,2.0A
Size: 18 cm * 13 cm * 9.4 cm
Weight: 550g

Compatible Battery P/N:
CTB8185 / CTB7185 / CTB8187

Compatible Charger P/N:
CTC720

Compatible Power Tool Model:
Replace for Snap on CT7850 CDR7850H CTL7850 CTB7185 CTB8185 CTB8187

Warranty : 180 days. If battery can not charge, we will replace a new battery or make a refund to customer.

Package contains:
1x Battery
1x Charger