Bioenno Power offers a 29.2VDC, 10A AC-to-DC Charger for LiFePO4 batteries, Model BPC-2410A, which uses a DC plug for charging 24V LiFePO4 batteries.  Please ensure that the LiFePO4 batteries include a PCM/BMS when using this particular charger.

Specifications

Input:  110 VAC
Output:  29.2VDC, 10A (CC/CV Charge Profile for LiFePO4 Batteries)
Dimensions:(L x W x H) 6.7 in. x 3.5 in. x 2.0 in. (170 mm x 90 mm x 50 mm) 
Weight: 2.2 lbs. (1 kg.)
Connector: Anderson Powerpoles PP45