The LawMate 4400 mAh battery is compatible with the PV-500 Neo Pro, PV-500 Neo, PV-500L3, PV-500HDW, PV-500HDW Pro, PV-500L4i DVRs, and TB-1251/TB-2451 transmitters.
The battery is easily swappable and not much bigger than the standard BA-2200, 2200 mAh battery.
Prolongs battery life to up to 400 mins for PV-500 DVRs and up to 7 and a half hours for TB-1251/2451 transmitters (depending on the settings).
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