IMAX B6 is the new intelligent multifunction charger which can charge and discharge for Lion, LiPo, LiFe (A123), Pb, NiCd and NiMH batteries. It's all-powerful in a way.
Feature:
1. Microprocessor controlled Delta-peak sensitivity.
2. Individual cell balancing Li-ion, LiPo and LiFe capable Ni-Cd and NiMH capable
3. Large range of charge currents Store function, allows safe storage current
4. Time limit function
5. Input voltage monitoring. (Protects car batteries at the field)
6. Data storage (Store up to 5 packs in memory)
7. Battery break in and cycling.
8. Support new generation A123 system (LiFe) battery
9. Capacity limit, processing time limit, tempreture limit, input power monitor
10. High-power and high-performance circuit
11. Maximum safety
12. Delta-peak sensitivity
13. Monitoring the voltage of individual cell
Specification: 
Operating voltage range: For DC11.0-18.0 Volt / AC to For DC adaptor(For DC11.0-18.0V/5A)
Circuit power: Max.charge power 50W / Max.discharge power 5W Charge Current Range: .1~5.0A
Discharge current range: 0.1-1.0A
Current drain for balancing Li-po: 300mAH/cell
LiIon/LiPo/LiFe cells : 1-6
NiCd/NiMH cells : 1-15
Pb battery voltage: 2~20v
Net Weight: 277g
Dimensions: 133x87x33mm
Compare to iMAX B5:
Can charge 6 cells LiPo battery (B5 can charge maximum 5 cells)
With Discharge Function
A123 Life Charging
Package incldued:
1 x imax B6 LiPo battery balance charger
1 x Multi-fuctional extension wire
1 x Universal crocodile clip
1 x JST plug
1 x Receiver plug
1 x English Manual
AC adapter or power supply is not included
NOTE:
Never use the charger unsupervised!
Read the entire operating manual before using this charger
This unit will emit heat during discharging process
Operate the charger in well cooling and ventilated place Failure to observe safety procedures outlined in the manual may cause serious injury