Battery Tester

Battery Testers for Stationary Banks, UPS Strings and Substation DC Systems

Eighteen instruments for battery maintenance: twelve cover stationary banks in general — internal resistance, capacity, discharge, conductance, charging and cell activation — and six are built for lithium packs on the same sites. All of them are handheld or portable units meant for a battery room or a substation DC system, not laboratory benches.

What is in this section

• Internal resistance and capacity — the HF-BT-402 portable battery internal resistance tester reads 0–600 V across a whole string with 0.01 V resolution and 0–24 V on a single cell at ±2.0 %rdg ±6 dgt, with 0–1000 mΩ of internal resistance and 0–20 mΩ of connection resistance at 1 μΩ resolution; it stores 500 records of up to 999 cells each. The HF-BT-404 battery capacity tester weighs under 0.5 kg, uses a 5-inch touch screen and a four-wire Kelvin circuit, and measures online or offline without dismantling busbars.
• Load, discharge and conductance — the HF-BT-403 intelligent AC load bank tester takes an optional 1–100 kW load for 0–100 hours on a 3-phase 380 V supply with air cooling, measuring 0–480 V at ±1 V, 0–200 A at ±1 A and 0–100 kW at ±1 %. The HF-BT-405 and HF-BT-409 discharge testers and the HF-BT-412 battery conductance tester cover routine string checks.
• Charging and cell maintenance — the HF-BT-407 battery charge and discharge tester, the HF-BT-408 smart portable charger and the HF-BT-406 cell activator; charger output is checked with the HF-BT-401 DC charger tester. Health and remaining-capacity assessment use the HF-BT-410 battery health tester and the HF-BT-411 battery remaining capacity analyzer.
• Lithium packs — six models, from the HF-BT-413 handheld lithium battery analyzer through pack discharge and charge-discharge testers to a balancer, a cell maintenance tester and a sealing tester.

How to choose a battery tester

Four questions decide it: the battery type and nominal string voltage, whether the bank must stay in service while you measure, whether you need a recorded capacity or discharge proof test or only a fast internal-resistance scan, and how results have to be exported. A conductance or internal-resistance reading tells you which cell is going soft; a load bank tells you whether the bank still holds its rated capacity.

Every instrument in this section is sourced from qualified partner factories in China, verified and tested against its datasheet before shipment and delivered with its test documentation. Houfeng is a trading company and supplier, not a manufacturer.