UPS uninterruptible power supply is a spare energy storage power supply, which adopts the safe and environmental protection lithium battery, the safe and reliable protective plate, the trickle/constant flow/constant pressure lithium battery charging management, the high-performance and high-efficient dc-dc
Boost conversion circuit, etc.
It has perfect overcharge, overdischarge, overcurrent and short circuit protection.
The UPS uninterruptible power supply is widely used in fire safety system, safety monitoring system, door access system,
Attendance systems and so on.

E. working environment:

Charging: 0 ℃ ~ 55 ℃
Discharge: - 20 ℃ ~ 85 ℃
Storage: 30 days - 20 ℃ ~ 45 ℃
Storage: 90 days - 20 ℃ ~ 35 ℃
If the equipment is not used for a long time, uninterruptible power supply of UPS should be taken out and placed in a cool, dry place. Otherwise, uninterruptible power supply of UPS will cause energy loss or poor performance.

Matters needing attention:
-- do not drop UPS uninterruptible power into water or wet them;
- do not use UPS uninterruptible power supply near a heat source (such as fire or heater);
-- do not force your hands into the DC line;
-- use the original charger;
- do not use unmatched power adapter to charge UPS uninterruptible power;
- do not use equipment in the range of non-ups uninterruptible power supply;