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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.

 

Weight 7 lbs
Dimensions 10.25 × 7.75 × 3.25 in

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