Batteries

The USAlert NiMH Rechargeable Batteries are the primary power source for both the WatchDog and WatchDog LT Voice Pagers. Three individual "AAA" sized NiMH (Nickel Metal Hydride) rechargeable batteries, rated at 1100 mA/hr, come standard with the WatchDog pagers.

The USAlert NiMH Rechargeable Batteries are the primary power source for both the WatchDog and WatchDog LT Voice Pagers. Three individual "AAA" sized NiMH (Nickel Metal Hydride) rechargeable batteries, rated at 1100 mA/hr, come standard with the WatchDog pagers.

The Unication Rechargeable Battery Pack is an optional power source for the Unication UniMax Alert and Ring Tone Amplifier. This backup power source ensures amplifier operation during AC power outages and also if one wants to use the UniMax in mobile situations.

The TPL Birdy Slim pager is powered by a lightweight, 3.7 VDC, 700 mA Lithium-Ion Rechargeable Battery. The high energy density and low self-discharge features of the Li-Ion battery make it one of the most popular types of rechargeable batteries for portable electronics.

The TPL Birdy 3G Rechargeable Battery is part of each Birdy 3G pager package that includes the Pager, Charger with power adapter, belt clip and lanyard. Both Standard Desktop Charger and Desktop Charger with Antenna can be used to charge the battery.