Precision You Can Rely On
With ±1% detection accuracy and a fast 500ms refresh rate, you get a clear, real-time picture of your battery's voltage and capacity without guesswork.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Know Your Battery's True State at a Glance
This LCD digital meter delivers precise, real-time voltage and capacity readings for lead-acid, ternary lithium, and LiFePO4 batteries — perfect for cars, motorcycles, RVs, and solar setups.
- Wide DC 8V to 100V detection range covers most 12V to 84V battery systems
- ±1% accuracy and 500ms refresh rate for dependable, up-to-the-second monitoring
- Adjustable potentiometer lets you calibrate readings for better precision
- Customizable high and low voltage alarms help protect your battery from over-discharge or overcharge
Why This Battery Monitor Stands Out
Calibrate for Perfect Readings
The built-in adjustable potentiometer allows for on-the-fly error calibration, so you can fine-tune the meter to match your specific battery setup.
Set Your Own Safety Alarms
Customizable high and low voltage alarm settings give you early warnings, helping you avoid the risks of over-discharging or overcharging your battery.
Built for Multiple Battery Types
Designed for ternary lithium (L03-L20), lead-acid (12V-84V), and LiFePO4 (F03-F23) batteries, making it a versatile choice across vehicles and solar systems.
Specs
The details that matter
Built to last outdoors, season after season.
- Voltage Range
- DC 8-100V
- Accuracy
- ±1%
- Refresh Rate
- 500ms
- Cutout Size
- 58.5 x 28.5mm
- Compatible Battery Types
- Ternary lithium (L03-L20), lead-acid (12V-84V), LiFePO4 (F03-F23)
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What voltage range does this battery capacity indicator support?
It supports a wide voltage detection range from DC 8V to 100V, suitable for most 12V to 84V battery systems.
Which battery types are compatible with this meter?
It is compatible with ternary lithium (models L03-L20), lead-acid (12V-84V), and LiFePO4 (models F03-F23) batteries.
How accurate is the voltage and capacity reading?
The meter offers high accuracy with ±1% detection precision, giving you reliable readings for monitoring your battery's state.
Can I calibrate the meter to improve accuracy?
Yes, it includes an adjustable potentiometer that allows for error calibration, so you can fine-tune the readings to match your specific battery setup.
Can I set custom alarms for voltage limits?
Yes, the meter features customizable high and low voltage alarm settings, letting you set thresholds that trigger alerts to help protect your battery.
How quickly does the display update?
It has a fast refresh rate of 500ms, providing real-time monitoring so you see changes in voltage and capacity without noticeable delay.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.