Ryobi manuals just need a manual how to charge unit for for ryobi 12 volt CS1047 charging unit. ryobi cordless drill number--1048 67479CS == charging unit CB120L lithium

Most likely the charger is separate from the drill, but I didn't see a manual online. May want to check at local hardware type store.

https://www.homedepot.com/p/RYOBI-12-Volt-Lithium-Ion-Cordless-3-8-in-Drill-Driver-Kit-with-12-Volt-Battery-and-Charger-HJP004L/300981190?cm_mmc=Shopping%7CG%7CBase%7CD25T%7C25-9_PORTABLE+POWER%7CNA%7CLIA%7c71700000044155732%7c58700004615424082%7c92700043235553558&gclid=CjwKCAjwiN_mBRBBEiwA9N-e_qVz_xDgJC6XyW8Vk3lpVppcnSnIzfMb8W1hfIsxGm_YB1LkQIWPzBoCnHQQAvD_BwE&gclsrc=aw.ds

check that the battery terminals are standing up enough to make good contact in the units

If it is charging the battery properly I would not worry about it. Just do not leave it connected all the time. Charge the battery and disconnect.

Check the voltages with a VOM and use the info here:
http://www.powerstream.com/NiCd.htm

Please check the LED status of your charger. If both of the charger'sLED flashing, but it can charge a good battery. Than the battery is defective, you may replace a new Ryobi P206 Battery http://www.batteryshops.co.uk/tags_products/ryobi-p206-12-18v-2-speed-drill-driver-battery_6854.html

would have paid you good money for that set.

Hi there. I would not suggest that you leave it on charge, as you may burn the charger, or pop the battery. These units are very sensitive and should rather be charged and battery removed, so that no current is drawn from the unit, and when needed, the battery can be fiitted and ready to use. The charge however will also not stay in the battery for longer than a month or so. Hope this helps

if it has removable batterys then you have to install in the charger, but if it has a different type there should be a charging port either on the underside or back of the drill. Let me know the model number and I will be more specific

see you local ryobi dealer as this can be 2 different faults in the same unit.

Negative partner, you can try all day everyday but 12 v is 12v and 18 v is much more. its just not gonna supply enough juice to charge the battery. the most youll ever charge it is 12 v... sorry.