20A MPPT Solar Charge Controller 12V/24V Negative Grounded Controller with Built-in Bluetooth and Lithium Battery
Reliable Energy When and Where You Need It Most
100% DOD & 10-Year Lifespan: Offers 5000-15000 cycles and a 10-year lifespan, three times longer than lead-acid batteries.
Lightweight & Portable: Weighs 42 lbs, 1/3 of lead-acid batteries, with an energy density of 55.83Wh/lb, ideal for RVs, trolling motors, marine, and off-grid.
Higher Energy (2.56kWh): Equivalent to two 12V 100Ah batteries, supports 4P2S connections for 48V 400Ah setups, providing 20.48kWh energy.
Strict Protection & Fast Charging: Built-in 100A BMS safeguards against various faults. Operating temp: Charge 0°C50°C, Discharge -20°C60°C. Charges fully in 5 hours with a 29.2V 20A charger.
EV-Grade LiFePO4 Cells: GoldenMate 24V 100Ah battery uses UL-certified automotive-grade cells with high energy density, stable performance, and a 3% self-discharge rate.
The 24V 100Ah LiFePO4 battery delivers high energy density, long cycle life, and excellent performance. Ideal for wheelchairs, RVs, camping, marine, golf carts, trolling motors, home energy storage, computer backup, off-grid, solar, and wind energy systems
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Model |
M2420 |
M2430 |
M2440 |
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Battery System Voltage |
12V/24V Auto (FLD/GEL/SLD) Manual(Li/User) |
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No-load Loss |
12 ma(12V),10ma(24V) |
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Max Solar Input Voltage |
<100Voc |
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Rated Solar Charge Current |
20A |
30A |
40A |
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Max Solar Input Power |
300W/12V 600W/24V |
450W/12V 900W/24V |
600W/12V 1200W/24V |
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Light Control Voltage |
5V*n |
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Light Control Delay Time |
10s |
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Max Load Output Current |
20A |
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Operating Temperature |
-35ºC ~ +45ºC |
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IP Protection |
IP32 |
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Net Weight |
1.0 kg |
2.0 kg |
2.0 kg |
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Communication Port |
RS485 |
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Operating Altitude |
≤ 3000 meters |
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Controller Dimension(mm) |
180*140*71 |
245*180*82.5 |
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Built-in buffer, allows max 25% exceeding rated power input.
charging modes available for most common deep-cycle battery types in the market, including AGM GEL,Flooded, and Lithium.
Allows mobile phone APP operation for monitoring and parameters settings, with connection of external blue tooth communication moudule.
Auto recognition of 12V/24V battery system voltage by M2420/M2430/M2440 model
Supports recording of system running data including power generated and power utilized for up to 300 days, compatible with monitoring App through IOS and Android.
Provides multiple load control mode options for light based, time based and manually adjusted scenarios. Low no-load loss.
Industrial grade design with reverse polarity protection for solar panels, battery and load.
Reliable Energy When and Where You Need It Most
100% DOD & 10-Year Lifespan: Offers 5000-15000 cycles and a 10-year lifespan, three times longer than lead-acid batteries.
Lightweight & Portable: Weighs 42 lbs, 1/3 of lead-acid batteries, with an energy density of 55.83Wh/lb, ideal for RVs, trolling motors, marine, and off-grid.
Higher Energy (2.56kWh): Equivalent to two 12V 100Ah batteries, supports 4P2S connections for 48V 400Ah setups, providing 20.48kWh energy.
Strict Protection & Fast Charging: Built-in 100A BMS safeguards against various faults. Operating temp: Charge 0°C50°C, Discharge -20°C60°C. Charges fully in 5 hours with a 29.2V 20A charger.
EV-Grade LiFePO4 Cells: GoldenMate 24V 100Ah battery uses UL-certified automotive-grade cells with high energy density, stable performance, and a 3% self-discharge rate.
The 24V 100Ah LiFePO4 battery delivers high energy density, long cycle life, and excellent performance. Ideal for wheelchairs, RVs, camping, marine, golf carts, trolling motors, home energy storage, computer backup, off-grid, solar, and wind energy systems
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