Motorola Original HNN9044AR: 7.5V/630mAh NiCD Battery (Same as Spirit Bat# HNN9056A). FM Rating: NI/Class-1/Div-2/Group-A,B,C&D. This battery for 2 watt radio models. This part number is also known as part number 53877.

SPIRT, SP21, SP50+, P10, P50, SP10, HT10.
If you have the P10 or P50+ (4 &5 watt models), use HNN9027. For SP50+ use HNN9018.

Note: to avoid confusion, for ordering purposes, the suffix letter after the stock number is not listed. This Battery has also been known as HNN9044A, HNN9056A, HNN9044B and HNN9044AR