Features:
Not all charging applications and batteries are the same. Instead of managing multiple devices, the AIMS AC 36V and 48V Converter/Battery Charger strives toward a versatile, multipurpose solution that anticipates what you need at home but also suits various recreational activities where you’ll want solar power.
This converter/battery charger accommodates open lead acid, gel, AGM and LiFePO4 batteries, while a consistent, high-frequency structure handles a greater spectrum of input voltages, from 70VAC to 145VAC. This aspect allows the converter/charger to adapt to unstable inputs. Furthermore, the device automatically senses 36VDC and 48VDC battery banks, providing a more intuitive solution within your solar power setup.
Once you have everything connected, a 25-amp 36V/18.75-amp 48V capacity isn’t just large – it lets you charge up a battery relatively quickly.
- Large charging capacity design (25-amp for 36Vdc; 18.75-amp for 48Vdc) charges a 100-amp hour battery in under an hour up to 90% charge
- Power supply up to 25 amps at 36Vdc or 18.75 amps at 48Vdc
- Three-stage smart charger with variable charging voltage algorithm can maximize battery life (bulk, absorb and float)
- Four pre-programmed charging algorithms using the dip switches for the most common charging profiles
- Charges lead acid, AGM, GEL and LiFePO4 batteries
- Adjustable charge current control dial to safely charge smaller batteries
- Dip switch for voltage selection
- Wide input voltage range, 70VAC to 145VAC for unstable inputs
- Safety features: Reverse polarity, over voltage, under voltage, over temperature and short circuit protections
- High AC-to-DC converting efficiency design, >80%
- Thermal and load based fan
- Includes battery temperature sensor port to help maintain the life of the battery(s) (battery temperature sensor not included)
- AC input cord: Four feet
- One-year warranty
Specifications:
Battery Charger – 25 Amps for 36V and 18 Amps for 48V
| Input Voltage | 96-145VAC full performance | 70-96VAC automatically de-rate to 50% of full load current |
| Frequency | 40Hz to 70Hz |
| Nominal Input Current at Rated Output | <9Aac |
| Voltage Measurement Accuracy | ±8Vac |
| Frequency Measurement Accuracy | ±1Hz |
| OUTPUT | |
| Nominal Voltage | 36/48Vdc manual adjustable | Input voltage 96-145V |
| Output Current | 25A for 36V | 18.75A for 48V |
| Low input voltage 70-96V derated at 50% of output. 12.5A for 36V & 9.375A for 48V | |
| Rated Output Current | Manual adjustable |
| Current Accuracy | ± 6% of full rated output current @25°C, for target currents across the range from 10% rated output (for absorption exit criteria accuracy) to the current limit setpoint. |
| Load Regulation | 1.50% |
| Current Limit | Input voltage 96 – 145V Output current 25A for 36V Output current 18.75 A for 48V Input voltage 70-96V, Output current 12.5 A for 36V Output current 9.375 A for 48V |
| Selectable Battery Type | Open Lead-Acid, Gel, AGM, LiFePO4, adjustable |
| Parallel Outputs | Maximum of two AC converter units connected in parallel |
| Efficiency | 80% |
| PROTECTIONS | |
| Input Over Voltage | Unit is safe for input voltage up to 150VacRMS (and up to 215Vpeak). Above this level the damage may occur. |
| Reverse Battery Polarity Protection | Non-destructive reverse battery polarity protection with fuses. Permanent damage will not occur and perform after fuse replacement. |
| Input Under-voltage | No permanent damage for input voltages from 0-300Vac. Shutdown or input current limit or other means may be applied when input voltage is out of normal operating range. |
| Output over voltage | 36Vdc. Unit will shut down if Vcharging > Vcharging (target) + 1.0Vdc for more than 2 seconds; unit will restart when voltage <= Vcharging (target) for more than 2 seconds. |
| 48Vdc. Unit will shut down if Vcharging > Vcharging (target) + 1.5Vdc for more than 2 seconds; unit will restart when voltage <= Vcharging (target) for more than 2 seconds. | |
| For battery OVP the unit will restart in the same stage. | |
| Charger over temperature protection | The internal temperatures of the charger will be measured by NTC. Based on these measurements, unit will shut down if the temperature exceeds 105°C. Unit will restart when environment temperature cools to 95 °C. |
| BTS(Battery Temperature Sensing) | The battery temperature sensor allows the charger to continuously adjust charge voltage / charge current based on actual battery temperature. |
| When the battery temperature is over 40 °C, unit will reduce the charging voltage to Float voltage, also it will reduce the Max charging current by 10% with every two degree of temperature rise. (different for lithium) | |
| When the battery temperature is over 50 °C, unit will shut down. | |
| Operation temperature | Operating Ambient Temperature range: -10°C to 40°C | Nominal ambient temperature: 25°C |
| (On the heat sink of DC-DC part, if the temperature is over 90 ℃, the Charger Current will be de-rate to 50% ; if the temperature is over 105 ℃, the Unit will be shut down.) | |
| 5～95% without condensation | |
| Noise | Unit requirements: below 50dB (A) measured at 1 m distance with fan full working. |
| Storage Conditions Temperature | -20°C to +80°C |
| Cooling | Fan – thermal and load based |
| Warranty | 1 Year |
| Dimension (D x W x H) | 10.25” * 6.75” * 3.25” |
| Unit Weight | 6.5 lb. |
| Boxed Weight | 7 lb. |
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