Specifications:
Battery Capacity: 3000mAh
Battery Voltage: 4V
Battery Type: Li-ion

Compatible with :
Ryobi:
Ap4001, Tek4, Rp4900, Rp4410, Rp4400, Hp53lk, Ap4700, Rp4530

Replacement PN. :
Ryobi:
HP53L 4V Lithium-Ion Reversible Screwdriver
RP4300 Motion Sensing Alarm with Remote
RP4205 TEK4 Inspection Scope
RP4530 Audio Plus Noise Suppression Headphones
RP4010 Professional Laser Distance Measure
RP4020 Professional Digital Multimeter
AP4001 4V Lithium-Ion Battery
RP4030 Professional Infrared Thermometer
RP4050 TEK4 Stud Sensor
RP4900 Portable Power Source

Note:
It's recommended that the battery should be fully charged and discharged 3 times after you receive the battery.
For transport safety, our batteries are not fully charged before leave the factory.
After use, please charge the battery after cooling.
Battery charger is not included.

Warranty:
Come with 60 days money back.
You can contact us anytime from the date of purchase, we will try our best to provide you the best service.