48-59-1812 → 48-11-1850: charger to battery evidence

CONDITIONAL is the documented direction for 48-59-1812 and 48-11-1850, subject to the recorded conditions. Milwaukee lists 48-59-1812 as an M18/M12 charger and 48-11-1850 as an M18 pack.

Exact models and direction

Item	Recorded model
Source product	Milwaukee Tool 48-59-1812 (charger)
Target product	Milwaukee Tool 48-11-1850 (battery)
Rule direction	charger to battery
Documented verdict	conditional
Evidence access	Full manufacturer document reviewed

Conditions and exceptions

Check the charger label for AC input, particularly on imported units.
Charging of M18 and M12 packs is sequential rather than simultaneous.

What the evidence does not establish

This exact directed statement cannot be reversed, extended to another SKU or used to infer charger AC-input suitability. A physical unit may have a different revision, region or safety notice.

Milwaukee Tool 48-59-1812M18 and M12 Multi-Voltage Charger · Model detail with primary source Milwaukee Tool 48-11-1850M18 REDLITHIUM XC5.0 Battery · Model detail with primary source

Recheck the complete set

Open battery, tool and charger checker · Report a source change

Official sources

These source records were reviewed as of 2026-10-30; access methods differ. Open the latest manufacturer manual for your exact type, region and revision before use.

Milwaukee Tool — 48-59-1812 product page48-59-1812 accepts M12 and M18 batteries sequentially · curated_primary · Checked 2026-10-30
Milwaukee Tool — 48-11-1850 product page48-11-1850 M18 5.0Ah identity · curated_primary · Checked 2026-10-30