Best Sump Pump Backup Battery Charger in 2025
Updated on July 2025
#1
Recommended
6% Off
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- Designed to protect basements from flooding by automatically switching to battery power during outages.
- Features a 25A built-in battery charger for fast charging of compatible deep-cycle batteries, with protection against overcharging.
- Equipped with 3 AC outputs, a 36W Type-C port, and a 5V/3.1A USB port for reliable power supply during outages.
- Includes a remote controller with an LCD display to monitor battery and pump status, along with safety features like overheat and short circuit protection.
- Simple installation without additional wiring; supports both flat placement and wall mounting with various fixation options.
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- Designed to protect basements from flooding by automatically switching to battery power during outages.
- Features a 25A built-in battery charger for fast charging of compatible deep-cycle batteries, with protection against overcharging.
- Equipped with 3 AC outputs, a 36W Type-C port, and a 5V/3.1A USB port for reliable power supply during outages.
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#2
Value for Money
24% Off
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- 2000W output and dual outlets to support two sump pumps simultaneously, ensuring operation during power outages.
- High-definition LCD screen and LED indicators provide real-time monitoring of voltage, power, and battery levels.
- 3-Pin plug design allows for quick and easy installation, minimizing wiring errors and enhancing safety.
- Multi-layered security features offer protection against overloads, short circuits, overcharging, overheating, and more.
- Rapid charging capability with a 20A current, fully charging a 100AH battery in about 5 hours.
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- 2000W output and dual outlets to support two sump pumps simultaneously, ensuring operation during power outages.
- High-definition LCD screen and LED indicators provide real-time monitoring of voltage, power, and battery levels.
- 3-Pin plug design allows for quick and easy installation, minimizing wiring errors and enhancing safety.
- Multi-layered security features offer protection against overloads, short circuits, overcharging, overheating, and more.
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#3
11% Off
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- Pumps 2,000 GPH at zero lift and 1,000 GPH at 10 ft. lift
- User-friendly control panel provides 24/7 monitoring and maintenance alarms
- Dual float switch for added protection
- Operates for days on a single battery charge
- Fluid sensor monitors battery fluid level
- Includes control unit, battery fluid level sensor, pump adapter, battery box, and automatic charger (battery sold separately)
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- Pumps 2,000 GPH at zero lift and 1,000 GPH at 10 ft. lift
- User-friendly control panel provides 24/7 monitoring and maintenance alarms
- Dual float switch for added protection
- Operates for days on a single battery charge
- Fluid sensor monitors battery fluid level
- Includes control unit, battery fluid level sensor, pump adapter, battery box, and automatic charger (battery sold separately)
#4
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- Pumps 2,200 GPH at 10 ft lift and 3,500 GPH at 0 ft lift
- User-friendly control panel enables 24/7 monitoring and issue detection
- Includes a USB port for connecting to a Basement Watchdog WiFi Module for alerts
- 20-Amp smart charger quickly charges batteries while extending battery life
- Runs weekly tests to ensure pump functionality and reliability
- Compatible with maintenance-free AGM and wet-cell batteries
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- Pumps 2,200 GPH at 10 ft lift and 3,500 GPH at 0 ft lift
- User-friendly control panel enables 24/7 monitoring and issue detection
- Includes a USB port for connecting to a Basement Watchdog WiFi Module for alerts
- 20-Amp smart charger quickly charges batteries while extending battery life
- Runs weekly tests to ensure pump functionality and reliability
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#5
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- Designed to protect basements from flooding with an automatic switch to battery power during outages.
- Built-in 25A battery charger supports quick and trickle charging for various deep cycle battery types, enhancing battery life with overcharge protection.
- Includes a 14.76ft wired LCD remote control for real-time monitoring of voltage, power, and charging status, featuring built-in cooling and multi-protection functions.
- Outputs up to 2000W to power sump pumps during outages, with the ability to charge simultaneously through multiple outlets including USB and Type-C ports.
- Easy installation with no additional wiring required; compatible with various electrical equipment that needs backup power, but requires a separate 12V deep cycle battery.
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- Designed to protect basements from flooding with an automatic switch to battery power during outages.
- Built-in 25A battery charger supports quick and trickle charging for various deep cycle battery types, enhancing battery life with overcharge protection.
- Includes a 14.76ft wired LCD remote control for real-time monitoring of voltage, power, and charging status, featuring built-in cooling and multi-protection functions.
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#6
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- Pumps 2,500 gallons per hour (GPH) at 0 feet lift and 1,730 GPH at 10 feet lift
- Control panel features warning lights and maintenance instructions
- Battery fluid level sensor for monitoring
- Package includes controller, charger, dual float switch, pump, and battery box (battery not included)
- Compact design fits in small or narrow sump pits
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- Pumps 2,500 gallons per hour (GPH) at 0 feet lift and 1,730 GPH at 10 feet lift
- Control panel features warning lights and maintenance instructions
- Battery fluid level sensor for monitoring
- Package includes controller, charger, dual float switch, pump, and battery box (battery not included)
- Compact design fits in small or narrow sump pits
#7
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- Pure sine wave output for smooth, high-efficiency power suitable for all load types.
- Built-in 25A battery charger with fast and trickle charging capabilities for deep-cycle batteries, including lithium and AGM.
- High-definition LCD remote control displays voltage, power, and battery status. Includes multiple protection features to ensure safe operation and extend device lifespan.
- User-friendly installation with no extra wiring needed; can be laid flat or wall-mounted using provided holes.
- Includes a 24-month warranty, remote control, power converter, cable, and user manual, with support available via email.
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- Pure sine wave output for smooth, high-efficiency power suitable for all load types.
- Built-in 25A battery charger with fast and trickle charging capabilities for deep-cycle batteries, including lithium and AGM.
- High-definition LCD remote control displays voltage, power, and battery status. Includes multiple protection features to ensure safe operation and extend device lifespan.
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#8
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- VMAX SLR200 is a 200Ah 12V AGM deep cycle battery, successor to the SLR175
- Features military-grade custom-made plates for enhanced durability
- Offers a float service lifespan of 8 to 10 years
- Engineered for 99% recombination to minimize emission of harmful gases
- Includes a 12-month warranty for quality assurance
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- VMAX SLR200 is a 200Ah 12V AGM deep cycle battery, successor to the SLR175
- Features military-grade custom-made plates for enhanced durability
- Offers a float service lifespan of 8 to 10 years
- Engineered for 99% recombination to minimize emission of harmful gases
- Includes a 12-month warranty for quality assurance
#9
20% Off
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- Designed specifically for basement flood protection with automatic switch to battery power during outages, ensuring continuous operation during severe weather conditions.
- Offers up to 1500 Watts of output power and supports both single and double pump systems, making it efficient for managing basement sewage.
- Equipped with a 20A built-in battery charger that supports fast and trickle charging for deep-cycle batteries, with overcharge protection to prolong battery life.
- Features an LCD display to monitor battery and pump status, along with a built-in cooling system, overload protection, and additional safety mechanisms to enhance durability and safety.
- Simple installation without extensive wiring needed; supports flat or wall mounting for versatile setup options.
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- Designed specifically for basement flood protection with automatic switch to battery power during outages, ensuring continuous operation during severe weather conditions.
- Offers up to 1500 Watts of output power and supports both single and double pump systems, making it efficient for managing basement sewage.
- Equipped with a 20A built-in battery charger that supports fast and trickle charging for deep-cycle batteries, with overcharge protection to prolong battery life.
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#10
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- Pure Sine Wave 2000W output ensures smooth operation for both resistive and inductive loads with minimal losses and high efficiency, automatically switching to battery power during outages.
- Includes an LCD remote control for real-time monitoring of voltage, power, and battery status.
- Features three AC outputs, allowing for safe power supply to sump pumps during outages, while recharging automatically when AC power is restored.
- Easy to install with no extra wiring required; simply connect the AC and DC cables and plug the sump pump into the AC socket.
- Comes with a 24-month warranty, along with the inverter, cables, and user manual for support.
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- Pure Sine Wave 2000W output ensures smooth operation for both resistive and inductive loads with minimal losses and high efficiency, automatically switching to battery power during outages.
- Includes an LCD remote control for real-time monitoring of voltage, power, and battery status.
- Features three AC outputs, allowing for safe power supply to sump pumps during outages, while recharging automatically when AC power is restored.
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