DP 1400 battery is a battery designed for the Motorola DP1400 two-way radio. It is available in different chemistries and capacities, such as the PMNN4251AR NiMH 1400mAh battery for a standard, more budget-friendly option, and the PMNN4258AR 2900mAh Li-Ion battery for extended talk time, with up to 23 hours of use in digital mode.