With a 3.7 charge voltage, the APS 5 battery pack holds a battery life of up to 4 hours in Axions. The battery pack is designed to fit the Axion Thermal Monocular. 
Battery Used
Features
- Rechargeable lithium-ion battery
- 4900 mAh capacity
- Designed to power Axion / Digex models
- Fits Models: Axion XQ, Axion XQ LRF, Proton FXQ, Proton XQ
| Battery Type | Li-Ion | 
| Rated Capacity (MilliAmpere-hour Rating), mAh | 4,900 | 
| Charging Voltage, V | 3.7 | 
| Battery charge indication | Yes | 
| Pin type for battery charger | microUSB | 
| Body Material | Plastic | 
| Operating Temperature | -4 to 140 / -20 to 60 F / C | 
| Length | 3.3 / 85 in / mm | 
| Width | 1.02 / 26 in / mm | 
| Height | 1.02 / 26 in / mm | 
| Weight | 2.8 oz |