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Help CenterDK-SF40L Series Battery Pack Charge-Discharge Tester
Product Spotlights
Compatible with all common lead-acid, lithium iron phosphate and ternary battery packs for e-bikes and energy storage systems.
2. 0.5–40A High Precision Discharge / 0.5–20A Charge
Supports high-current testing, provides accurate capacity analysis and improves battery grading efficiency.
3. AC220V Plug-and-Play
No 380V industrial power required. Easy to use for repair shops, workshops and small factories.
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DK-SF40L is an all-in-one battery tester from DEKANG, powered by AC220V. It covers 9–99V battery packs, supporting lead-acid, NCM and LiFePO4 batteries.
With 0.5~20A charging and 0.5~40A discharging adjustable current, it works in three modes: charge, discharge and auto cycle aging for battery grading and maintenance.
It connects to PC to record test curves and export reports. Complete multi-protection prevents reverse connection, overvoltage, overcurrent and overheat. Lightweight 15kg design suits repair stores and small battery factories.
Working voltage range: 9V~99VDC, compatible with 12V/24V/36V/48V/60V/72V/84V assembled batteries
• Adjustable current: Charge 0.5~20A, Discharge 0.5~40A with 0.1A fine tuning, test precision ±0.03V/±0.03A
• Power input: Standard AC220V household power, no 380V industrial electricity required
• Max customizable auto cycle: 16 rounds for unattended aging test
• Net weight: 15kg, compact dimension with dual cooling fans for continuous stable operation
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