Skip to product information
ISDT BG-18S Battery Meter, LCD Display Digital Battery Capacity Checker and Balancer for LiFe, LiPo, LiHv, ULiHv 12-18S
$59.99
The ISDT BG-18S is a premium, high-voltage capable smart battery checker specifically engineered to monitor massive multi-cell lithium packs. Featuring unmatched adaptation that handles configurations from 4S all the way up to 18S, it gives commercial UAV operators, RC pilots, and technicians a portable diagnostic tool for high-energy systems. Built around a high-precision differential chip and a vibrant 260K color IPS display, it reads total pack metrics and individual cell variations instantly to guarantee absolute health monitoring in the field without needing a bench charger.
Check out all our Battery Checkers and the rest of our ISDT Products!

Features
- Measures total and individual cell voltages from balance ports.
- Large 2.4″ color LCD for clear readouts.
- Supports common lithium pack types (LiPo, LiHv, LiFe, ULiHv).
- Works over a wide voltage range (DC 10–90 V).
- USB-C port for firmware updates.
Specifications
- Working voltage: DC 10–90 V
- Battery support: LiPo, LiHv, LiFe, ULiHv
- Balance port range: 1.5 V–5 V per cell
- Voltage accuracy: ±0.005 V @ 4.2 V
- Display: 2.4″ 320×240 IPS LCD
- Size: ~102 × 70 × 27 mm
- Weight: ~121 g
- Temp range: 0 °C–40 °C operating, −20 °C–60 °C storage
Package Includes
- 1x iSDT BG-18S Battery Checker