Product Details :
Battery Voltage: 18 V
Battery Capacity: 3.0AH/4.0AH/5.5AH/8.0AH/9.0AH/12.0AH
Battery Type: Lithium lon
Warranty: 10 Years + 60 DAYS Money Back

Replace PN: (use"Ctrl+F" to find your own PN & Model)
48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852, 48-59-181, 48-59-1850

Replacement Part Numbers:
For Milwaukee 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828 , 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852, 48-59-181, 48-59-1850

Compatible With: (use"Ctrl+F" to find your own PN & Model)
For MILWAUKEE for M18 Cordless LITHIUM-ION System Tools
2646-22CT, 2643-21CT, 2641-21CT, 2646-21CT, 2646-20, 2642-21CT, 2641-20, 2729-22,
2629-22, 2729-20, 2729-21, 2629-20, 2706-22, 2705-20, 2705-22, 2704-20, 2787-22, 2702-20, 2701-20, 2656-22CT, 2707-22, 2708-22, 2607-22,2603-22CT, 2601-21, 2615-20, 2602-22DC, 2606-20, 2604-22CT, 2706-20, 2704-22, 2788-22, 2702-22CT, 2701-22CT, 2707-20, 2708-20, 2607-22CT, 2607-20, 2603-20, 2603-22, 2615-21CT, 2615-21, 2606-22CT, 2604-22, 2604-20

For MILWAUKEE
for M18 Cordless LITHIUM-ION System Tools
For -2601-21, 2602-22DC, 2603-20, 2603-22, 2603-22CT, 2604-20, 2604-22
For -2604-22CT, 2606-20, 2606-22CT, 2607-20, 2607-22, 2607-22CT, 2615-20
For -2615-21, 2615-21CT, 2629-20, 2629-22, 2641-20, 2641-21CT, 2642-21CT
For -2643-21CT, 2646-20, 2646-21CT, 2646-22CT, 2656-22CT, 2701-20, 2701-22CT
For -2702-20, 2702-22CT, 2704-20, 2704-22, 2705-20, 2705-22, 2706-20, 2706-22
For -2707-20, 2707-22, 2708-20, 2708-22, 2729-20, 2729-21, 2729-22, 2787-22, 2788-22

Replacement For:(use"Ctrl+F" to find your own PN & Model)
for M18 LITHIUM 6.0 Extended Capacity Battery Pack 48-11-1840
for M18 LITHIUM  Extended Capacity Battery 48-11-1828
for M18 LITHIUM 6.0 Compact Battery Pack 48-11-1820
for M18 Compact LITHIUM Battery 48-11-1815
for M18 LITHIUM 5.0 Extended Capacity Battery Pack 48-11-1850
for M18 Compact LITHIUM Battery 48-11-1860
for M18 Compact LITHIUM Battery 48-11-1890

Compatible With: (use"Ctrl+F" to find your own PN & Model)
2646-22CT,2643-21CT,2641-21CT,2646-21CT,2646-20,2642-21CT,2641-20,2729-22,2629-22,2729-20,2729-21,2629-20,2706-22,2705-20,
2705-22,2704-20,2787-22,2702-20,2701-20,2656-22CT,2707-22,2708-22,2607-22,2603-22CT,2601-21,2615-20,2602-22DC,2606-20,2604-22CT2706-20,2704-22,2788-22,2702-22CT,2701-22CT,2707-20,2708-20,2607-22CT,2607-20,2603-20,2603-22,2615-21CT,2615-21,2606-22CT,2604-22,2604-20

Please fully charge the battery first so that the battery can discharge the most efficiently and steadily!
The charger Indicator light description
1. Turn on the power, it will not display
2. Charging the battery, the green light flashes
3. The battery full of charging, it will bright green light
4. If the battery has problem, The red and green lights flash alternately

Package included:
1-2X 18V 3.0AH/4.0AH/5.5AH/8.0AH/9.0AH/12.0AH Battery for Milwaukee M18 48-11-1890 Power Tools/Charger
1X User Manual

NOTE:
1. The battery must be FULLY charged before first use.
2. The battery is stored in a cool and dry place.
3. Do not Separation, Extrusion, and Impact.
4. Do not put battery into water and fire.
5. Keep away from children.