M3-44-7 44 Ah MicroMaintenance Battery

The model M3-44-7 (P/N 32824-001) is a 19-cell Micro-Maintenance battery, with a nominal voltage of 24V, and a nominal capacity of 44Ah, at a weight of only 82 lbs. (max). The M3-44-7 will provide an Imp (15-second discharge @ maximum power transfer) of 1335 amps at room temperature. The M3-44-7 provides significant maintenance-cost savings for Beechcraft (Raytheon) applications. 


  • The M3-2-44-7 is currently PMA’d for the following Beech (Raytheon) applications via PMA406SW, Supplement No. 16, dated 3Sep99: Beech 200, 200C, 200CT, 200T, A200, B200, B200C, B200CT, B200T, 300, B300, B300C, 300LW, 1900, 1900C, 1900D, 65-90, 65A90, B90, C90, C90A, E90, H90, 99, 99A, A99, A99A, B99, C99, 100, A100, A100C, B100
  • The M3-44-1 is designed as a low-maintenance replacement for our 44Ah ATSP-44 batteries.

Length: 10.5” max
Width: 9.75” max
Height: 10.25” max
Weight: 81 lbs.
Connector: MS3509

Voltage: 24.0 volts (nominal)
Capacity: 44Ah minimum (at C-rate)
Imp : 1375A @ 15 seconds
(Discharge current at maximum power transfer)