Heltec 5-120V 1-50A Discharge Battery Electronic Load/Capacity Tester for Lead-acid/NiMH/LiFePO4/NCM Batteries Electronic Tools

Product Overview

This high-precision battery capacity tester supports a wide voltage range of 5–120V and a current range of 1–50A, making it ideal for testing various battery types including Li-ion, LiFePO4, NiMH, and more. It accurately calculates battery capacity by monitoring voltage, current, and discharge time in real-time, helping users evaluate battery performance and overall health.

Equipped with multiple safety protections such as over-voltage, under-voltage, over-current, and over-temperature protection, the device ensures safe operation during testing. Its intuitive interface and easy-to-read display make it suitable for both professionals and hobbyists. Widely used in EV repair, battery manufacturing, maintenance workshops, and electronics labs, this tester is a reliable tool for comprehensive battery evaluation.

Parameter

Mode：HT-DC50ABP

Voltage range：5-120V

Current range：1-50A

Power：AC110-240V 50/60Hz

Accuracy：V±0.1％/A±0.2％

Compatible with：LiFePO4/NCM/NiMH/Lead-acid

Discharge parameters：5-120V Adj (step 0.1V),1-50AAdj (step 0.1A)

Max 20A within 5-10V,Max 50A within 10-120V

Max discharge power 6000W

Features

1.Wide Voltage Range

Compatible with various battery types including Li-ion, LiFePO4, and NiMH, ideal for EVs, power tools, and energy storage systems.

2.High Current Capacity

Enables high-power battery testing with improved accuracy and efficiency.

3.Accurate Capacity Measurement

Real-time monitoring for voltage, current, and discharge time to calculate actual battery capacity and health.

4.Multiple Protection Features

Built-in safeguards against overvoltage, undervoltage, overcurrent, and overheating for safe operation.

5.User-Friendly Interface

Clear display and intuitive controls make it easy to use for both professionals and hobbyists.

HT-BCT50A

Scope of use:0.3-5V, Battery cell within 1-2000Ah

Charging range: 0.3-5V/0.5-50A Adj,CC-CV

Discharge range: 0.3-5V/0.5-50A Adj,CC(No spikes and pulses)

Work step: Charge/Discharge/Rest/Cycle

Communication: USB, WIN XP or above systems, Chinese or English

Auxiliary functions :Voltage balancing(Discharge)

Protective function: Battery overvoltage/Battery reverse connection/

Battery disconnection/Fan not running

Calibration equipment: V: Fluke 8845A , A: Gwinstek PCS-1000I

Accuracy :V±0.1%,A±0.1%(The accuracy is valid for one year from the date of purchase)

Cooling: Cooling fans open at 40°C, protected at 83°C

Working environment: 0-40°C, air circulation, do not allow heat to accumulate around the machine

Warning:It is forbidden to test batteries over 5V

Power: AC200-240V 50/60HZ AC110V for US plug

Size and weight Product Size 167 165*240mm,Weight 2.5Kg

🎯 Core Features

1. Touchscreen HD Display

7-inch HD color touchscreen for real-time monitoring of voltage, current, capacity, and energy (kWh)

Intuitive interface: Quick set & Advanced set modes

Supports multiple battery types: Lead-acid / LiFePO4 / Li-NMC / Ni-MH

Clear data visualization with historical discharge curves

2. Flexible Discharge Modes

Constant Voltage Discharge: Set target voltage to stop discharge

Timed Discharge: Pre-set test duration for automated testing

Constant Capacity Discharge: Define target capacity to end discharge

One machine meets all testing scenarios with efficient operation

3. Wide Battery Compatibility

Works with 10-120V battery packs (with BMS)

Supports:

Lead-acid batteries

LiFePO4 (LFP) batteries

Ternary (NCM/NCA) Li-ion batteries

Ni-MH batteries

Perfect for energy storage systems, EV packs, and industrial batteries

4. Robust Safety & Heat Dissipation

Multi-layer protection: Over-voltage, reverse connection, over-current, and over-temperature alarms

Left intake / Right exhaust ventilation design

2m safety clearance required around air vents (no objects blocking)

Forced air cooling with delayed fan operation to prevent overheating

Operator must be present during operation (high heat generation during testing)

Emergency stop switch for immediate shutdown

5. Heavy-Duty Construction & Mobility

360° swivel casters with brake design for easy movement and stable placement

Low-noise rolling suitable for cement, wood, tile, and gravel floors

Large-diameter battery collection lines support up to 150A current

Built-in voltage/temperature detection ports for accurate monitoring