Yes. From the manual...
Chargers suitable
– for charging Festool Li-ion battery packs: BP,
BPS and BPC in the following voltage and current
classes:
10.8 V (3S1P) 1.3 Ah, 1.5 Ah
10.8 V (3S2P) 2.6 Ah, 3.0 Ah
14.4 V (4S1P) 1.3 Ah, 1.5 Ah
14.4 V (4S2P) 2.6 Ah, 3.0 Ah, 4.2 Ah, 5.2 Ah*
18.0 V (5S1P) 1.3 Ah, 1.5 Ah, 2.6 Ah, 3.1 Ah*
18.0 V (5S2P) 2.6 Ah, 3.0 Ah, 4.2 Ah, 5.2 Ah*, 6.2 Ah*
* rapid charging battery packs