The 135AH AGM battery, which has built-in pure lead grip and AGM separator for enhanced conductivity and electrolyte absorption and effective charge keeping, and its performance won’t be affected even if it has been drained for several times. This maintenance-free battery can be mounted in various positions, and features longer shelf-life and excellent water retention performance. Its built-in strap offers excellent carrying experience. It emits steady 12V to power most motors, tractors and boats,etc. This 12V 40A DC-DC charger by ATEM POWER, which is designed to do a full charge cycle with the ability to choose either Lead Acid, AGM, Gel, calcium, LiFePO4 batteries and apply the suitable charging profile to prolong their lifespan, also incorporates Re-selection Ready mechanism that allows you to re-select the battery during charging by long pressing “POWER”.
- Battery-Anti-Leakage Construction: Sealed structure, ABS intrusion-safe body and factory sealed lid ensure no leakage of any caustic materials.
- Battery-Weather & Temperature Resistant: All-weatherproof and able to work at temperatures down to -40 degrees Fahrenheit.
- Battery-Longer Shelf-Life: This battery can be kept out of operation for a much longer period while preserving the perfect conductivity.
- Battery-Faster Recharging Technology: It only takes a few hours to recharge this battery from the bottom level to the full capacity.
- Charger-Dual Input: This Charger is designed to effectively pull power from solar panel (up to 40A) or vehicle’s alternator to charge your auxiliary battery,built-in MPPT regulator is designed to harvest up more energy from the solar panel.
- Charger-Multi-Stage Charging: This charger integrates standby, pre-charge, constant current charging, constant voltage charging, full charge and re-charge.
- Charger-Multiple Protection: It integrates over-charge, short circuit, over-temperature, thermal load, solar input overload, input/output reverse polarity protection.
- Charger-Upgraded Charging Algorithm: This algorithm is designed to select the optimum charge mode and revive your discharged battery.
- Charger-User Friendly Design: The LED indicator shows real-time stage of charging and memory function is integrated to make your charging more convenient.
- Charger-Please note: always refer to the wiring diagram in this listing for the latest wiring setup of the product as the user manual might be for previous version.
|Rated capacity (10 hour rate):||135Ah|
|Float charge (Constant Voltage):||Voltage: 13.5 - 13.8V at 25°C (77°F)|
|Cycle Charge (Constant Voltage):||Initial Charging Current less than 25A | Voltage 14.4-15.0V at 25°C (77°F)|
|Max Initial Current:||Less than 40.5A|
|Max discharge current:||600A (5s) at 25°C (77°F)|
|Self-discharge capacity:||3 Months = 91% | >6 Months = 82% | >12 Months = 64%|
|Capacity affected by temperature:||40°C = 102% | 25°C = 100% | 0°C = 85% | -15°C = 65|
|Internal Resistance:||Approx. 6.0mΩ|
|Input voltage:||12-24 V DC|
|5V USB Ports:||1A/2.1A|
|40A DC to DC Charger|
DC Battery: 12.5~16.0Volts
Solar Input: 16.0-25.0 Volts
|Output/Charging Voltage:||14.4~15.4 Volts(Stops charging when alternator output or vehicle battery below 12.5 volts)|
DC Output: 40A
Solar Output: 40A
|Minimum Start Voltage:||2.5 Volts-For battery being charged|
|Soft Charge Current:||40A|
|Bulk Charge Voltage:||14.7V(AGM/Gel)14.4V(Lead Acid)15.4V(Calcium)14.4V(LiFePO4)|
|Absorption:||Constant voltage with automatic amperage control|
|Float Charge Voltage:||13.5V(AGM/Gel)13.5V(Lead Acid)13.5V(Calcium)|
|Float Charge Current:||100mA|
|Battery Range:||120 to 1200Ah|
|1-5 Metres:||6 AWG|
|5 Metres+:||4 AWG|
- 1 x AGM Battery
- 1 x Battery Box
- 1 x Fastening Strap
- 1 x Internal Bracket
- 1x 40A DC-DC Charger