Pro 18v Battery Clm18vrb 'link' Direct
Charging the CLM18VRB from 0% to 100% using a standard 2-amp charger took approximately 90 minutes. Fast-charging (4-amp+) cut this down to 45 minutes. Runtime on a mixed-use drill/driver scenario averaged 2.5 hours of intermittent use.
Because these original batteries are often discontinued, you can find high-capacity Ni-MH replacements at retailers like Amazon or through specialist battery refurbishers. Performance & Maintenance pro 18v battery clm18vrb