pipette filler has an excellent feature and ergonomic design, suitable for almost all commonly used glass or plastic pipettes.

Features
Enables single-handed operation with minimum effort
Compatible with most of the plastic and glass pipettesfrom 0.1-100mL
Easily adjustable speed control
0.45μm replaceable hydrophobic filter
Stable and reliable performance, elegant appearance 
High capacity Li-ion battery enable long operation time.

Battery:     3.7 V, 1100mA, rechargeable lithium-ion battery
            Charging time 10 hours for completely drained batteries
AC-adapter:  Input AC 100-240V
            Output voltage 4.2V, 500mA.