*****2v 500ah maintenance free battery lifetime *****
Key Features :
♦Maintenance-Free ,Absorbent Glass Mat Technology
♦Low Self Discharge
♦Long Designed service Life ,Deep Cycles
♦Excellent Discharge Performance
♦Environment Friendliness
♦Wide suitability of ambient temperature range
Applications :
♦Solar and wind energy storage system
♦EPS and UPS battery backup
♦Signal system , emergency lighting system , security system
♦Telecommunication Equipment
♦Power source for portable devices or tools
| 1. Functional Parameter |
5. Environment Temperature |
| Nominal Voltage |
2V |
Discharge Temperature |
-20~50ºC |
| Nominal Capacity (10 hour rate) |
500Ah |
Charge Temperature |
-10~50ºC |
| Number of Cells |
2cells |
Storage Temperature |
-20~60ºC |
| 2. Rated Capacity at 25ºC (77° F) |
6. Inner Resistance & Max . Discharge Current |
| 10 hour rate (0.1C, 1.80V/cell) |
500Ah |
Fully Charged battery at 25ºC (77° F) |
0.42mΩ |
| 3 hour rate (0.25C, 1.75V/cell) |
239Ah |
Max. Discharge Current |
800A (5s) |
| 1 hour rate (0.55C, 1.60V/cell) |
254Ah |
Short Circuit Current |
4200A |
| 3. Capacity affected by Temperature (10 hour rate) |
7. Self-discharge at 25ºC (77° F) |
| 40ºC (104° F) |
102% |
Capacity after 3 month storage |
92% |
| 25ºC (77° F) |
100% |
Capacity after 6 month storage |
84% |
| 0ºC (32° F) |
90% |
Capacity after 9 month storage |
74% |
| -15ºC (5° F) |
70% |
Capacity after 12 month storage |
65% |
| 4. Dimension and Weight |
8. Constant voltage charging at 25ºC (77° F) |
| Length |
243mm |
Cyclic use |
2.35~2.4V |
| Width |
175mm |
Maximum charging current |
125A |
| Height |
332mm |
Temperature compensation |
-5mV/ºC |
| Total Height |
341mm |
Float use |
2.23~2.27V |
| Reference Weight |
30kg |
Temperature compensation |
-3.3mV/ºC |
***** Factory Introduction *****
♦ Battery factory Founded in 1996 , 2 million batteries annual production capacity
♦ Products including valve regulated lead acid battery , Gel battery , deep cycle battery, OPzV
and OPzS battery
♦ Products are exported to more than 150 countries
♦ Products are certified by CE , Rohs
♦ Mature and very well respected AGM and GEL technologies for valve-regulated lead-acid batteries ranging from 2Ah to 3000Ah
Audited Supplier 
Audited Supplier 
){kind=link}
){kind=link}