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VAPEXTECH Rechargeable Batteries—High Temperature Series
The high temperature series of VAPEXTECH Rechargeable Batteries are specially designed to meet the requirements of emergency lighting application
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Major Features
Superior Charge Acceptance at High Temperature
In VAPEXTECH High Temperature Cells, chemicals of the positive plate are optimized to remain stable at high temperature. This technology enables the battery to maximize the storage of applied charges. At the temperature of 50℃ , over 90% of the battery capacity can be replenished after it has been charged at 0.05C for 24 hours or at 0.1C for 16 hours. These two charging methods are widely adopted in the emergency lighting application as a single rated or combined as a two-rated charge applied to the battery after a mains failure.
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Permanent Charge Endurance Characteristic
The chemicals and separator used in VAPEXTECH High Temperature Cell have been optimized for operating in high temperature environment (according to standard of IEC61951-1 Clause 4.4.2.2). These durable materials ensure that the batteries' permanent over-charging performance is maintained at elevated temperatures.
Excellent Cycling Characteristic at High Temperature
VAPEXTECH High Temperature Cells are capable of charging and discharging at elevated temperature and can achieve 300~1,000 IEC cycles at ambient temperature below 40℃.
High Reliability
VAPEXTECH High Temperature Cells are produced with the best available materials and state of the art technology so that they can perform the outstanding reliability.
Products Safety Approved by UL
Most of the VAPEXTECH high temperature batteries passed UL Safety Standard (UL 1989- Standards for Standby Batteries)
ComprehensiveProductRange
In addition to AA, Sub-C, C and D size NiCd batteries, VAPEXTECH also provides high temperature NiMH batteries of AA, AF, 18700 and Sub-C size for a wide range of lighting units/design.
ISO 9001 Accreditation
VAPEXTECH's manufacturing plants are certified to ISO9001 accreditation in the area of designing and manufacturing secondary batteries.
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Battery Requirements
For Emergency Lighting Application
1.
Capacity to charge the inverter with battery to meet either one-hour or three-hour standby duration
2.
Have a typical discharge rate of 0.9A to 1.1A (ampere) for an inverter. It can run down to 2 volts.
3.
Ability to recharge in 24 hours to support another standby duration.
4.
Ability to renew the standby duration after being in service for up to four years
5.
Works in ambient temperature at 50℃ .
6. Delivers continuous trickle charge at C/30 to C/20 at 50℃ .
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Major Applications
1. Emergency lighting
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Maintained type and non-maintained type |
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Battery Specifications and Precautions
1. Charging and Discharging
The optimum trickle charge rate of 0.05C can be permanently applied for maximizing the battery service life. Generally speaking, the charging rate should not be less than 0.02C . If the charging rate is too low, the battery will not be fully charged. If the charging rate is too high, the battery will age prematurely and reduce the battery's life cycle.
2. Specifying Battery Capacity
It is important to consider the battery's end of life parameters when selecting battery capacity. A battery's capacity depends on its operating temperature, charging rate, battery age and its minimum operating voltage.
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Product Range
NiMH Series |
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Model NO. |
Rating Voltage
( V ) |
Minimum Capacity
( mAh ) |
Typical Capacity
( mAh ) |
Dimension ( mm ) |
Standard Charge |
Weight
( g ) |
Diameter |
Height |
Current
( mA ) |
Time
( h ) |
VTE600AAAHT |
1.2V |
600 |
650 |
10.5-0.5 |
44.0-0.5 |
600 |
15 |
13 |
VTE1250AAHT |
1.2V |
1250 |
1280 |
14.4-0.5 |
48.5-0.5 |
125 |
15 |
26 |
VTE1600AHT |
1.2V |
1600 |
1680 |
17.0-0.5 |
43.0-0.5 |
160 |
15 |
33 |
VTE2100AHT |
1.2V |
2100 |
2205 |
17.0-0.5 |
50.0-0.5 |
210 |
15 |
38 |
VTE4000LAHT |
1.2V |
4000 |
4200 |
18.3-0.5 |
70.0-0.5 |
400 |
15 |
66 |
VTE2400SCHT |
1.2V |
2400 |
2420 |
23.0-0.5 |
43.0-0.5 |
240 |
15 |
54 |
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Typical Ambient Temperature: Charging: 0℃ to 70℃ / Discharge: -20℃ to 70℃ / Storage: -20℃ to 35℃
Compatible with electronics used with NiCd Batteries
Competitive in cost with NiCd batteries
Space saving
Size being less than half of the NiCd packs. Potentially can be made as small as two AA cells
1.Higher capacity
Capacity to store more energy at charging temperature of 50 ℃
2.Comprehensive range of size
Sizes of AA, AF, 18700 and Sub-C are catered for a wide range of lighting units/design.
3.Environment friendly
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Product Range NiCd Series |
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Model NO. |
Rating Voltage
( V )
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Minimum Capacity
( mAh )
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Typical Capacity
( mAh )
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Dimension ( mm ) |
Standard Charge |
Weight
( g )
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Diameter |
Height |
Current
( mA )
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Time
( h )
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VTE800AAT |
1.2V |
800 |
850 |
14.4-0.5 |
48.5-0.5 |
800 |
15 |
22 |
VTE1800SCT |
1.2V |
1800 |
1860 |
23.0-0.5 |
43.0-0.5 |
180 |
15 |
44 |
VTE2500CT |
1.2V |
2500 |
2750 |
25.8-0.5 |
50.0-0.5 |
250 |
15 |
70 |
VTE2500DT |
1.2V |
2500 |
2750 |
33.0-0.5 |
37.0-0.5 |
250 |
15 |
82 |
VTE4500DT |
1.2V |
4500 |
4950 |
33.0-0.5 |
60.5-0.5 |
450 |
15 |
120 |
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Typical Ambient Temperature: Charging: 0 ℃ to 70 ℃ / Discharge: -20 ℃ to 70 ℃ / Storage: -20 ℃ to 35 ℃
Using an improve separator
Durable separator prevents short circuit of the electrodes during prolonged operation at high temperature
New materials developed for positive electrode
New materials with additives can optimize charging efficiency at high temperature.
Robust sealing ring materials
Ensuring the seal remains intact for its full service life at elevated temperatures.
Complying with IEC61951-1
uminaries for emergency lighting
Permanent Charge Endurance Test Condition
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