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  • Amplume battery monitor
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 Rated 4.8 Excellent - Trusted By 17,000+

Amplume ™

$359.99
$359.99
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check_circle Read your whole battery at one glance

check_circle Know how long your power will last

check_circle Get warned before your bank runs low

check_circle See what your fridge pulls in real time

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  • Fit the shunt in series on your battery negative lead so every amp passes through it.
  • Run a red wire from battery positive to the shunt's B+ terminal to power the meter.
  • Connect the display to the shunt with the shielded cable and snap it into your panel.
  • Read percentage, volts, amps, power and time on the backlit screen.

  • Display meter x1
  • Matching shunt x1, rated for the current range you choose
  • Shielded cable with plug connectors x1

Once your item/s is dispatched,
the estimated delivery time is:

- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days

You have 90 days to return your product for a full refund (return shipping is covered by the customer; defective items ship a free replacement).

✓ Official Authorized Retailer

This product is not available on Amazon or eBay. You are purchasing directly from the only authorized seller — which means full warranty, verified authenticity, and dedicated customer support. Beware of counterfeit listings on third-party marketplaces.

Amplume battery monitor

Amplume

 4.8/5
View full details

  • Over 17,000 recommend Amplume

Built to keep your battery readable

brightness_medium

Backlit LCD you read at night

Check your bank in the dark without reaching for a flashlight. Green backlit LCD.

swap_vert

Charge and discharge in view

Watch solar come in and the fridge draw out. Bidirectional detection shows the current moving both ways.

Amplume
dashboard

Snap-in housing mounts from the front

Push it into your panel cutout from the front and the clips hold it. ABS housing with snap-in clips.

target

Plan your night around a trusted number

Count on the readout when you size up the night. ±1.0% accuracy on voltage, current and capacity.

Frequently Asked Questions

verified +347 experts reviewed it as the best choice in 2026
Q1 Does every negative wire have to go through the shunt?
Yes. The shunt sits in series on your battery negative: B- to the battery, P- to the load and charger negative. All current must pass through it, or the meter can't count it. A red wire from battery positive to B+ powers the meter.
Q2 Does it work with LiFePO4 and my system voltage?
Yes. It covers lead-acid, LiFePO4, ternary lithium, polymer lithium, NiCd and NiMH on systems from 8 to 120V DC. It counts current instead of reading voltage, so a flat lithium curve doesn't leave you guessing.
Q3 What battery bank size can it handle?
You can set capacity from 0.1 to 9999 Ah, so it suits a small battery or a big house bank. Choose the shunt by your highest current draw, not by battery size. That is what the current range is for.
Q4 Which current range should I choose?
Choose by the highest current your system reaches: 50A (0-75A), 100A (0-150A), 350A (0-500A) or 500A (0-750A). Each kit pairs the meter with its matching shunt, and different ranges must not be mixed.
Q5 How much room do I need for the shunt and display?
Plan a spot for the shunt and a 94.0 x 57.0 mm (3.70 x 2.24 in) cutout for the display. The display snaps in from the front. Shunts run from 47x41x13 mm (1.85x1.61x0.51 in) to 122x60x32 mm (4.80x2.36x1.26 in).
Q6 Will it drain my battery?
The meter's working draw is about 10mA and its static draw is 1.0mA, low enough to ignore on a house bank. The green backlight draws more while it is lit: 50mA on the 50A spec, 100mA on the others.
Q7 Does it have Bluetooth or an app?
No. This is a wired meter with its own backlit screen, so you read everything right at the display. No phone needed, no app to open at 2am.
Q8 Is it for my RV, boat or cart?
Likely yes. Typical uses are RVs, yachts, golf carts, forklifts and energy storage, on systems from 8 to 120V DC. Pick the shunt by the highest current your setup draws.
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