Specifications:
Battery Type: Lithium-ion
Battery Capacity: 4.0Ah
Battery Voltage: 21V
Battery Lithium Content: 1.2g
Battery Watt Hours: 74Wh
Number of Li-ion Cells: 10
Maximum Discharge Rate: 5C
Battery Interface: Makita interface
Featured Highlights: 4 led electric quantity display
Full Battery Operation Duration: Support spraying with 10~12 pots of 900ml paint or 7~9 pots of 1300ml paint
Full Charge Time: 3~4 hours
Supporting Charger: HONJAN DC Charger PSBC-DC21
Fit For: HONJAN Cordless Paint Sprayer CSPS021-Ge
Compatible with: Most Makita Interface 21V Battery Cordless Power Tools
Features:
(1) 4 led electric quantity display
(2) Over-charge Protection
(3) Over-discharge Protection
(4) Over-voltage Protection
(5) Over-current Protection
(6) Over-heating Protection
(7) No memory effect, can charged or discharged as needed without loss of capacity
Note:
(1) Do not damage the battery with sharp objects.
(2) Do not discard this product at will.
(3) Protect the battery against continuous intense sunlight, fire, water and moisture.
(4) Overcharging the device will reduce the life of the battery, unplug it from the charger in time to avoid overcharging. Suggest charging time not to exceed 6 hours
(5) If you store the battery when it's fully discharged, it could fall into a deep discharge status, which renders it incapable of holding any charge.
(6) Li-ion batteries will self-discharge during storage, we recommend using the battery at least once every two to three months.
The above will greatly protect your battery and extend its life.