AGM Deep Cycle Battery 12V38Ah
General Features
- Designed floating charging service life: 12 years (25ºC)
- Sealed and maintenance free operation
- Safety valve installation for explosion proof
- Low self-discharge characteristic
- Wide operating temperature range from 0ºC~40ºC
- Lead Aluminum calcium Tin alloy high energy, prevent corrosion
APPLICATION
- DC power supply
- UP S /E P S power supply
- Electrical devices & instruments
- Security and fire alarm systems
- Telecom stations and power stations
- Medical equipments
- Emergency lighting systems
Physical Specifications
| Nominal Voltage | Nominal Capacity (10HR ) |
Dimension | Weight ±3% | Internal Resistance (In full charge status) |
Standard Terminals |
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| L | W | H | TH | |||||
| 12V | 38AH | 197±2mm | 166±2mm | 170±2mm | 170±2mm | Approx 11.5kg (25.3lbs) |
≈8.5mΩ | F09 (standard) |
Dimensions
Constant-Voltage Charge
| Rated Capacity | |
| 20 hour rate (2.5A) | 42.0AH |
| 10 hour rate (5.0A) | 38.0AH |
| 5 hour rate (8.5A) | 32.3AH |
| 3 hour rate (12.5A) | 29.0AH |
| 1 hour rate (27.5A) | 21.0AH |
| Capacity affected by Temperature | |
| 40ºC(104ºF ) | 103% |
| 25ºC(77ºF ) | 100% |
| 0ºC(32ºF ) | 86% |
| Cycle Application |
| 1. Limit initial current less than 9.5A. |
| 2. Charge until battery voltage (under charge) reaches 14.1V to 14.4V at 25ºC(77ºF ) |
| 3. Hold at 14.1V to 14.4V until current drop to under0.23A for at least 3 hours |
| 4. Temperature compensation coefficient of charging voltage is -30mV/ºC |
| Standby Service |
| 1. Hold battery across constant voltage source of 13.6 to 13.8 volts with current limit 9.5A continuously .When held at this voltage , the battery will seek its own current level and maintain itself in a fully charge status. |
| 2. Temperature compensation coefficient of charging voltage is -18mV/ºC. |
NOTE : The battery should be charged within 6 months of storage, Otherwise, permanent loss of capacity might occur as a result of sulfation
Battery Discharge Table
| End Voltage (V) |
Minute (M) | Hour (H) | |||||||||||
| 5 | 10 | 15 | 30 | 45 | 1 | 1.5 | 2 | 3 | 5 | 8 | 10 | 20 | |
| Constant Current Discharge Data Sheet (Amperes at 25ºC) | |||||||||||||
| 10.20 | 120 | 91.2 | 68.7 | 36.5 | 33.8 | 23.75 | 18.75 | 15.71 | 9.84 | 6.84 | 4.86 | 4.03 | 2.15 |
| 10.50 | 106 | 83.6 | 64.3 | 35.0 | 32.8 | 22.80 | 18.02 | 15.13 | 9.52 | 6.53 | 4.60 | 3.95 | 2.11 |
| 10.80 | 98.8 | 76.0 | 60.1 | 33.8 | 30.8 | 21.85 | 17.28 | 14.55 | 9.19 | 6.25 | 4.37 | 3.84 | 2.05 |
| Constant Power Discharge Data Sheet (Watt at 25ºC) | |||||||||||||
| 10.20 | 1189 | 1007 | 731 | 455 | 342 | 297 | 217 | 163 | 122 | 78.4 | 58.1 | 49.0 | 25.88 |
| 10.50 | 1144 | 855 | 656 | 445 | 334 | 293 | 212 | 158 | 118 | 76.0 | 57.4 | 47.9 | 25.0 |
| 10.80 | 1064 | 798 | 627 | 435 | 323 | 279 | 204 | 152 | 114 | 73.3 | 56.6 | 45.6 | 24.51 |
Constant-Voltage Charge
