LiTime 500A Battery Monitor with Shunt
$42
Key Specs
| max-current | 500A |
| voltage-range | 8-80V |
| connection | Wired LCD |
| weight | 0.85 lbs |
| cable-length | 13 ft |
| warranty | 1 year |
Pros
- ✓ LiTime is a trusted battery brand with quality control
- ✓ 500A shunt pairs well with LiTime's own LiFePO4 batteries
- ✓ Clear LCD with SOC bar graph and multiple metrics
- ✓ Competitive price for a 500A wired monitor
Cons
- ✗ No color screen or Bluetooth connectivity
- ✗ Cable length may need extending in larger battery enclosures
Detailed Review
Overview
LiTime has built a strong reputation in the LiFePO4 battery market, and the brand’s 500A Battery Monitor extends that reliability into the monitoring category. It is a natural companion product for LiTime’s own battery lineup, though it works equally well with any 12V, 24V, or 48V bank from any manufacturer. At around $42, it delivers 500A capacity and a multi-metric LCD at a price point that splits the difference between ultra-budget monitors and the feature-rich color-screen options.
How It Works
The 500A copper shunt mounts into the main negative cable between the battery negative terminal and the common negative bus. The display head connects via the included harness and measures the millivolt drop across the shunt to determine current in real time. State of charge is calculated by coulomb counting — tracking amp-hours consumed versus the battery capacity you enter during setup. A sense lead provides direct battery voltage to the display, enabling simultaneous readout of both parameters alongside calculated watt-hours and estimated remaining runtime.
Key Features
The LCD panel displays voltage, current, power, state of charge as a percentage, and a bar-graph SOC indicator that provides a quick visual reference without requiring you to read the numeric display. Amp-hour consumption and cumulative energy in watt-hours are tracked across the session, with a manual sync option to reset to 100% after a confirmed full charge.
LiTime has tuned the monitor’s SOC algorithm with LiFePO4 chemistry profiles in mind, which improves accuracy when paired with lithium batteries compared to generic monitors using only lead-acid curves. The 8-80V range covers 12V through 48V systems. An alarm output can drive an external buzzer or relay to alert crew or occupants to a low-battery condition before it becomes critical.
Who It’s For
LiTime battery owners looking for a monitoring solution that pairs naturally with their battery bank will find this monitor a straightforward, well-priced choice. It is also a solid general-purpose monitor for any builder who wants LiTime’s quality standards applied to their monitoring hardware. Those using the LiTime Bluetooth batteries — which have their own built-in app monitoring — may find this display adds useful physical visibility when a phone is not handy. Builders wanting wireless access should look at the Victron SmartShunt or the LNEX color-screen model instead.
