The Sonel BT-120 Battery Tester is a compact, professional instrument designed for UK electrical engineers, service technicians and maintenance professionals who need accurate and reliable assessment of battery condition in power backup systems.
Engineered to test lead-acid, AGM and gel batteries, the BT-120 quickly measures voltage and internal resistance without disconnecting from the system, helping users detect performance degradation early and prevent costly power failures.
Ideal for UPS installations, telecom systems, emergency lighting and renewable energy setups, the BT-120 ensures batteries operate safely and efficiently across all environments.
How does the BT-120 make battery testing easier?
With automatic measurement and instant evaluation of battery health, the BT-120 provides clear “Good / Replace” status indicators on its bright LCD screen. Its lightweight design and built-in memory make it easy to use in the field, while Bluetooth connectivity allows fast data transfer to a PC or Sonel Reader software for documentation and analysis.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
