SKU: 52432440429

Go Power! Battery Monitor Kit - GP-BMK-25

Sale price$82.79 Regular price$91.99
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Description

Go Power! Battery Monitor Kit - GP-BMK-25The Go Power! Battery Monitor Kit (GP BMK 25) is a comprehensive battery monitoring system that provides real time data on your off grid battery bank's performance. Featuring a 500 amp quick connect shunt and a flush mount LCD display, it tracks essential battery statistics including state of charge, capacity, voltage, current, and two battery voltage display. Compatible with all battery types (Gel, Flooded, AGM, LiFePO4) and 12V systems, it is ideal

The Go Power! Battery Monitor Kit (GP-BMK-25) is a comprehensive battery monitoring system that provides real-time data on your off-grid battery bank's performance. Featuring a 500-amp quick-connect shunt and a flush-mount LCD display, it tracks essential battery statistics including state of charge, capacity, voltage, current, and two-battery voltage display. Compatible with all battery types (Gel, Flooded, AGM, LiFePO4) and 12V systems, it is ideal for RVs, boats, vans, and solar power systems. Backed by a 3-year limited warranty.


Key Features & Benefits

Comprehensive Battery Monitoring: Displays state of charge (SoC), capacity (Ah), voltage, current, power, and remaining time on an easy-to-read LCD screen.

Two-Battery Voltage Display: Monitors the voltage of two separate battery banks simultaneously.

500-Amp Quick-Connect Shunt: High-capacity shunt with 500A/50mV rating provides accurate current measurement for a wide range of systems.

All Battery Types Supported: Compatible with Gel, Flooded, AGM, and Lithium (LiFePO4) batteries.

Programmable Alarms: Low voltage and low capacity audible alarms alert you to potential battery issues.

25-Foot Shielded Cable Included: Allows flexible placement of the display up to 20-25 feet from the shunt and battery bank.

Adjustable Backlight Brightness: LCD backlight brightness can be adjusted for comfortable viewing. Backlight flashes slowly during charging.

Sleep Mode for Low Power: Monitor enters sleep mode when current is low to preserve battery power; wakes automatically when charging or discharging begins, or by pressing any key.

Easy Calibration: Manual synchronization of state of charge by pressing the up arrow for 3 seconds when battery is full.

Flush Mount Installation: Display mounts flush into a cutout with clips for a clean, professional appearance.

3-Year Limited Warranty: Backed by a 3-year warranty.


Technical Specifications

Specification Detail
Manufacturer Go Power!
Model GP-BMK-25
Working Voltage 10 – 120 VDC
Operating Temperature -10°C to 60°C (14°F to 140°F)
Battery Bank Capacity Range 0.1 – 9999 Ah
Working Draw (Backlight On) 10 – 15 mA (100 mA typical >50A)
Standby Draw 1 – 2 mA
Accuracy (Voltage, Current, Capacity) ±1.0%
Shunt Rating 500A / 50mV
Shielded Cable Length 20 ft (6 m)
B+ Wire Length 3 ft (1 m)
Input Wire for Installation (sold separately) 0.3 – 0.75 mm² (28-20 AWG)

Display Interface Specifications

Specification Detail
Display Type LCD with backlight
Faceplate Dimensions 3.9 x 2.4 x 0.7 in (99 x 61 x 18 mm)
Faceplate Weight 0.1 lb (75 g)
Package Weight 1.5 lb (680 g)
Installation Flush mount (clips in place)

Monitored Parameters

Parameter Display
State of Charge (SoC) Percentage (%)
Battery Capacity Amp-hours (Ah)
Battery Voltage Volts (V)
Charge/Discharge Current Amps (A)
Power Watts (W)
Time Remaining Hours:Minutes
Two Battery Voltage Volts (V)

Suggested Voltage Parameters for SOC Synchronization

Battery Type High Voltage (FULL V) Low Voltage (ZERO V)
Gel 12.9 V 9 V
Flooded 13.6 V 9 V
AGM 13.6 V 9 V
LiFePO4 14.0 V 9 V

Note: These are suggested values. Confirm with your battery manual for accurate voltage parameters. Setting values to zero disables automatic SOC reset.


Included Components

Item Quantity
GP-BMK-25 LCD display 1
500A / 50mV shunt with mounting bracket 1
20 ft shielded cable with RJ12 connectors 1
3 ft B+ wire with fuse (red) 1
Shunt power cable 1
User manual 1

Product Documents

Spec Sheet (SPEC_GP-BMK-25.pdf): Download PDF

User Manual (MAN_GP-BMK-25.pdf): Download PDF

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 52432440429

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Michael L. Chernault
Charlottesville, US
★★★★★ 5
Know your body type.
Color: Navy Blue, Size: Large
I really liked the look and the buttons when I ordered it but I wound up returning only because I have to have a slim or fitted cut for any shirt to look good on me. This shirt did not hug me in the sides and looked like I was wearing someone else’s clothes. Nice shirt and good quality but it didn’t fit me personally. I did consider having it tailored but the cost of doing that was almost as much as the shirt.
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Reviewed in the United States on May 31, 2026
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Jason Stevens
Draper, US
★★★★★ 5
Cool comfortable good looks
Color: Navy Blue, Size: X-Large
Nice fit really comfortable good color not a hot shirt
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Reviewed in the United States on May 18, 2026
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Elle Cooper
San Leandro, US
★★★★★ 5
Perfect for in the field or the office.
Color: Blue Gray, Size: XX-Large
Perfect for use in the field or in the office. Great quality and the fit was perfect!!
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Reviewed in the United States on May 17, 2026
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M. Bracke
Port Orchard, US
★★★★★ 4
Good inexpensive shirt.
Color: Black, Size: X-Large
Nice shirt for the price. Good fit to size. Cotton/ poly blend. Does not wrinkle too bad after washing.
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Reviewed in the United States on December 8, 2025
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Robert
Pawtucket, US
★★★★★ 1
Runs way too small
Color: Black, Size: Medium
If you live in the U.S. and wear medium, a large will fill you perfectly. I wear large and the “large” is objectively a medium in the chest arms and neck. Fix your sizes.
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Reviewed in the United States on February 28, 2026

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