ZB2L3 Battery Capacity Tester with LED Display & Load Resistors

Take the guesswork out of battery health with the ZB2L3 Battery Capacity Tester. Whether you're testing Li-ion, LiPo, NiMH, or lead-acid batteries, this compact module gives you accurate mAh and voltage readings on a bright 4-digit LED display. Comes complete with two 5W 7.5Ω cement load resistors — everything you need to start testing right away.

Key Features

• 4-digit LED display showing capacity (mAh/Ah), current (A), and voltage (V)
• Includes 2× 5W 7.5Ω cement resistors for discharge load
• Micro USB powered (5V input)
• Screw terminal connector for easy battery connection
• Programmable cut-off voltage to protect batteries during discharge
• Supports Li-ion, LiPo, NiMH, Ni-Cd, and lead-acid batteries
• Compact PCB design with mounting holes

Applications

• Battery capacity testing and grading
• 18650 / Li-ion cell sorting
• Battery pack quality control
• DIY power bank testing
• Lab and hobbyist battery analysis

Specifications

• Model: ZB2L3
• Input Voltage: 5V via Micro USB
• Test Voltage Range: 1.00V – 15.00V
• Max Discharge Current: ~3A (with included resistors)
• Cut-off Voltage: Adjustable
• Display: 4-digit 7-segment LED
• Load Resistors: 2× 5W 7.5Ω (included)
• Connector: Screw terminal