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BigBattery 350A Battery Capacity Meter: Signature Solar's product image of the BigBattery 350A Battery Capacity Meter on its own store listing, showing the meter with its shielded communication wire, mounting bracket, shunt and ring terminal wire.
Photo 1 of 1. 1 photo · Image from signaturesolar.com
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Image source: Signature Solar's product image of the BigBattery 350A Battery Capacity Meter on its own store listing, showing the meter with its shielded communication wire, mounting bracket, shunt and ring terminal wire. Paid link.

BigBattery 350A Battery Capacity Meter

By BigBatterySold by Signature SolarSKU 350A Battery Capacity Meter

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$40
Price unchanged · 14 checks since Oct 3
$40 at Signature Solar

Paid link · price checked

SaveReport an errorWrite a reviewQuick reference sheet
Voltage range8 to 120 VCurrent ratingNot statedShunt ratingNot statedCommunicationsNot statedDisplayNot statedDimensionsNot stated

Key specs

Units
SKU
350A Battery Capacity Meter
Source documentPaid link.
Sources

Printed as "BigBattery’s 350A Battery Capacity Meter" in BigBattery's Battery Capacity Meter instruction guide (V1.0); BigBattery prints no part number, so the model name is recorded.

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Page 2, Product overview

Documented

Weight
0.41 kg0.9 lb converted
Converted: 410 g / 1000 g/kg
Source documentPaid link.
Sources

Converted: 410 g / 1000 g/kg

Printed as "Weight 410 g" in BigBattery's Battery Capacity Meter instruction guide (V1.0).

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Page 3, Technical parameters table, Weight row

Converted

Accuracy
Voltage ±1.0 %; current ±1.0 %; capacity ±1.0 %
Source documentPaid link.
Sources

Printed as "Voltage Accuracy ±1.0 %", "Current Accuracy ±1.0 %" and "Capacity Accuracy ±1.0 %" in BigBattery's Battery Capacity Meter instruction guide (V1.0).

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Pages 2 and 3, Technical parameters tables

Documented

Voltage range
8 to 120 V
Source documentPaid link.
Sources

Printed as "Working Voltage 8.0 - 120.0 V" in BigBattery's Battery Capacity Meter instruction guide (V1.0).

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Page 2, Technical parameters table, Working Voltage row

Documented

Battery capacity range
0.1 to 999 Ah
Source documentPaid link.
Sources

Printed as "Preset Capacity Value 0.1 - 999 Ah" in BigBattery's Battery Capacity Meter instruction guide (V1.0): the pack size the meter can be programmed for.

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Page 3, Technical parameters table, Preset Capacity Value row

Documented

All specs4
Weight
0.41 kg0.9 lb converted
Converted: 410 g / 1000 g/kg
Source documentPaid link.
Sources

Converted: 410 g / 1000 g/kg

Printed as "Weight 410 g" in BigBattery's Battery Capacity Meter instruction guide (V1.0).

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Page 3, Technical parameters table, Weight row

Converted

Accuracy
Voltage ±1.0 %; current ±1.0 %; capacity ±1.0 %
Source documentPaid link.
Sources

Printed as "Voltage Accuracy ±1.0 %", "Current Accuracy ±1.0 %" and "Capacity Accuracy ±1.0 %" in BigBattery's Battery Capacity Meter instruction guide (V1.0).

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Pages 2 and 3, Technical parameters tables

Documented

Voltage range
8 to 120 V
Source documentPaid link.
Sources

Printed as "Working Voltage 8.0 - 120.0 V" in BigBattery's Battery Capacity Meter instruction guide (V1.0).

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Page 2, Technical parameters table, Working Voltage row

Documented

Battery capacity range
0.1 to 999 Ah
Source documentPaid link.
Sources

Printed as "Preset Capacity Value 0.1 - 999 Ah" in BigBattery's Battery Capacity Meter instruction guide (V1.0): the pack size the meter can be programmed for.

Source document: BigBattery Battery Capacity Meter instruction guide V1.0 Paid link.Checked · Earlier document

Location: Page 3, Technical parameters table, Preset Capacity Value row

Documented

Published claims and calculations, not independent test results.

Documents

1 on file
  • PDF
    BigBattery Battery Capacity Meter instruction guide V1.0BigBatterySource document
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Archived copy captured on 2026-10-03.

    Location: Whole document

    Retrieved

    BigBattery's own six-page instruction guide (V1.0) for the 350A Battery Capacity Meter, hosted on Signature Solar's site (signaturesolar.com), a partner store, which links it from the listing; captured October 3, 2026. Manufacturer claims, not independent tests.

    Archived copies

    Archived copy of a document published by BigBattery. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

    Archived backup Revision not recorded · 0.22 MB

    Archived copy, unaltered, kept as a record of what BigBattery published. Original address: https://signaturesolar.com/content/CapacityMeterManual-digital-V1.pdfPaid link.. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source Paid link.
    Pages
    6
    Embedded creation date
    Embedded modification date

    Embedded dates are file metadata, not independent proof of publication.

    SHA-256: 8adbfb4d4ae2427d3ab51ecefb504c8d821b489052c346824b017110d4ccb191

    OpenPaid link.

Archive and older revisions

Archive and older revisions0

Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

Archived documents

BigBattery Battery Capacity Meter instruction guide V1.0

Archived copy of a document published by BigBattery. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup Revision not recorded · 0.22 MB

Archived copy, unaltered, kept as a record of what BigBattery published. Original address: https://signaturesolar.com/content/CapacityMeterManual-digital-V1.pdfPaid link.. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source Paid link.
Pages
6
Embedded creation date
Embedded modification date

Embedded dates are file metadata, not independent proof of publication.

SHA-256: 8adbfb4d4ae2427d3ab51ecefb504c8d821b489052c346824b017110d4ccb191

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Warranty

No warranty terms on file.

Sellers

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Signature Solar

4.6 (7)not verified

Listing SKU 1622017

$40Recorded
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Price history

$40

Prices we read at Signature Solar · 14 readings · no change in our readings since

Chart, listings & data

Since · Listing price (USD)

View listing at Signature Solar Paid link.
$38$40$42Signature Solar: $40 · Oct 3, 2026, 1:31 PM PDTSignature Solar: $40 · Oct 23, 2026, 4:32 AM PDTSignature Solar: $40 · Oct 27, 2026, 2:02 AM PDTSignature Solar: $40 · Oct 28, 2026, 2:52 AM PDTSignature Solar: $40 · Oct 29, 2026, 3:11 AM PDTSignature Solar: $40 · Oct 30, 2026, 3:32 AM PDTSignature Solar: $40 · Oct 31, 2026, 3:03 AM PDTSignature Solar: $40 · Nov 1, 2026, 3:02 AM PSTSignature Solar: $40 · Nov 2, 2026, 3:52 AM PSTSignature Solar: $40 · Nov 3, 2026, 4:05 AM PSTSignature Solar: $40 · Nov 4, 2026, 4:54 AM PSTSignature Solar: $40 · Nov 7, 2026, 2:03 AM PSTSignature Solar: $40 · Nov 10, 2026, 4:22 AM PSTOct 3, 2026Nov 10, 2026
Signature Solar$40Nov 10, 2026, 4:22 AM PSTLatest check · hover or tap for earlier prices

A break in a line is a gap in our readings: no price is drawn for days we did not read.

Price data
Collected price observations by seller
Checked (UTC)SellerPrice
Oct 3, 2026, 1:31 PM PDTSignature Solar Paid link.$40
Oct 23, 2026, 4:32 AM PDTSignature Solar Paid link.$40
Oct 27, 2026, 2:02 AM PDTSignature Solar Paid link.$40
Oct 28, 2026, 2:52 AM PDTSignature Solar Paid link.$40
Oct 29, 2026, 3:11 AM PDTSignature Solar Paid link.$40
Oct 30, 2026, 3:32 AM PDTSignature Solar Paid link.$40
Oct 31, 2026, 3:03 AM PDTSignature Solar Paid link.$40
Nov 1, 2026, 3:02 AM PSTSignature Solar Paid link.$40
Nov 2, 2026, 3:52 AM PSTSignature Solar Paid link.$40
Nov 2, 2026, 9:29 AM PSTSignature Solar Paid link.$40
Nov 3, 2026, 4:05 AM PSTSignature Solar Paid link.$40
Nov 4, 2026, 4:54 AM PSTSignature Solar Paid link.$40
Nov 7, 2026, 2:03 AM PSTSignature Solar Paid link.$40
Nov 10, 2026, 4:22 AM PSTSignature Solar Paid link.$40

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Parts and accessories

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Model history

Model identity

Model
350A Battery Capacity Meter

Manufacturer SKU 350A Battery Capacity Meter · US market

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