PZEM-037 10A 100A-500A 24V 48V 100V Digital Battery Tester Analyzer Coulomb Counter 100V 100-500A Industrial for Battery Cell Voltage/Current/SOC% 0.5m/2m USB

Category：Battery tester
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Release time：2025-10-13 16:10:12

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Product description

Peacefair PZEM-037 10A/50A/100A/200A/300A/400A/500A Battery Voltage Meter Current Meter Coulomb Meter Capacity Indicator Battery Meter 

Accessories：

Shunt （Copper-iron shunts /Pure copper）
USB cable（ 0.5m/2m）
2M OT8 cable

Parameter	Min.	Regular	Max.	Unit
Working voltage	8		100	V
Working power consumption		5	6	mA
Sleep power consumption		0.5	1	mA
Measureing voltage	8		100	V
Measuring current	0		10A	A
	0.03		50/100
	0.06		200/300
	0.10		400/500
Measuring capacity	0		999	Ah
Voltage accuracy		±1		%
Current accuracy		±1		%
Capacity accuracy		±1		%
Environment temperature	-10	23	60	℃
Weight		29		g
Appearance size		684022		mm
Hole Size		53*35.5		mm

Battery Monitoring System Display Specifications

1. Display Voltage
* Real-time battery voltage monitoring with high precision
* Wide voltage range support : 8V to 100V, compatible with various battery systems (e.g.,Acid battery /Lithium ternary battery/ ithium iron phosphate/ Other batteries are universal).

2.Display Current
* Real-time charge/discharge current measurement

3.Display Capacity
* Real-time remaining capacity (Ah) tracking , supporting up to 999Ah (suitable for large battery banks).

4.Display Percentage (SOC )
* Real-time battery percentage (%) based on capacity.

Just connect it followingthe above diagram.The connection between this product and the current sensoris very convenient through a USB-USB cable.

Note: 1. The B- on the current sensor represents the negative electrode of the battery; B+ represents the positive electrode of the battery; L - represents the negative electrode ofdischarge load/charger.
The wiring of the charging and discharging circuit current sensor must be connected through the negative electrode, cannot be connected in positive electrode circuit,otherwise will cause short circuit.
The wiring of the negative circuit ofthe current 50A sensor is locked through the nuts at both ends of the current sensor; First loosen the nut, insert the wire between the copper plates in the hole, and then tighten the nut.
The user selects the appropriate wire diameter for connection based on the testing current. The current sensor is a heating device, should maintain a cool and unobstructed usage environment as much as possible.

## **Precision Battery Diagnostics for Optimal Performance & Longevity**

The PZEM-037 Battery Capacity & Health Analyzer sets a new standard in professional battery testing with its 1.0-grade accuracy and 50A-500A measurement range. This CE/FCC-certified coulomb counter provides comprehensive State-of-Charge (SOC%) analysis for LiFePO4, Li-ion, and all battery types from 8-100V DC. Featuring LCD display, built-in flashlight, and shunt-based measurement, it's the ultimate tool for **EV technicians, solar installers, and industrial maintenance teams.
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## **2. Professional-Grade Features & Design**

Engineered for **field technicians and engineers**:

- **Shunt-Based Measurement** - Provides true coulomb counting for precise AH calculation
- **LCD with Backlight** - Clear visibility in low-light workshops or outdoor conditions
- **Built-in Flashlight** - Illuminates battery terminals during installation
- **Compact & Durable (68×40×22mm)** - Withstands harsh industrial environments
- **Wide Temperature Range (-10°C to 60°C)** - Reliable performance in extreme conditions
- **Multiple Package Options** - Choose configurations for different shunt sizes and cable lengths
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## **3. Critical Applications Across Industries**

This **versatile battery analyzer is essential for:

- **uD83DuDD0B Electric Vehicle Maintenance**
- Diagnose **battery pack imbalances in EVs and hybrids
- Verify **charging system performance at service centers

- **☀️ Solar Energy Storage**
- Monitor **off-grid battery banks** for capacity degradation
- Optimize **charge controller settings** based on actual SOC

- **uD83CuDFED Industrial Power Systems**
- Test **forklift and AGV batteries** during preventive maintenance
- Monitor **telecom backup batteries** in remote stations

- **uD83DuDEA4 Marine & RV Applications**
- Prevent **deep discharge damage** to expensive battery banks
- Troubleshoot **charging system issues** on boats and RVs
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## **4. Why Choose the PZEM-037 Battery Analyzer?**

✅ **True Coulomb Counting** - Most accurate SOC measurement method
✅ **500A High-Current Capability** - For commercial/industrial applications
✅ **CE/FCC Certified** - Meets global safety and EMC standards
✅ **Factory Direct Pricing** - Professional features at competitive rates
✅ **24/7 Technical Support** - Expert guidance for complex installations
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**Upgrade Your Battery Testing Capabilities - Prevent Costly Failures with Laboratory-Grade Precision!**