BT4-2CHN-18650 Li-Ion 18650 Battery Tester 2-Channel

Product detailed description

The BT4-2CHN-18650 tester is an advanced device designed for measuring parameters and cycling 18650 Li-ion batteries. It offers two independent measuring channels, support for automatic charging and discharging, internal resistance measurement and active fan cooling. The tester is suitable for enthusiasts and professionals involved in testing the capacity and lifespan of cells. Charging LiFePO₄ (lithium iron phosphate) batteries is not supported.

Specifications:

• Model: BT4-2CHN-18650
• Operating voltage: DC 5 V
• Power connector: Type-C
• Supported batteries: Li-ion cells with a discharge voltage of 2.5–3.5 V and a charging range of 2.8–4.2 V
• Number of channels: 2 independent charging/discharging measuring channels
• Internal resistance measurement: DC two-wire method
• Charging voltage: 4.2 V (TP4056 chip control)
• Maximum charging current: approx. 1 A (charging stops when the current is below 0.1 A)
• Discharge current: max. approx. 1 A (non-adjustable, not constant)
• Discharge cut-off voltage: 11 levels, adjustable in the range of 2.5–3.5 V
• Cycling mode: 1–9 charge/discharge cycles (in automatic mode)
• Automatic functions: automatic termination of charging/discharging when limit values are reached
• Protections: overheating protection, active fan cooling
• Data storage after shutdown: only stores settings, not measurement results
• Supported languages: English
• Dimensions: 185 × 50 × 36 mm
• Weight: 120 g (including packaging)

Package contents:

• 1× BT4-2CHN-18650 tester

Note:

• The product is not a self-contained functional unit and may require professional assembly or handling.
• Photos are for illustrative purposes only and may differ slightly from the actual appearance of the product without changing its properties.