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BattWatcher, 12v Twin Battery Monitor
All prices shown are ex VAT and the product carries a one year warranty.
Ever come back to your motorhome, caravan, campervan or classic car to find the battery flat?
Batteries don't go flat all at once. They drain quietly while the vehicle sits, and you only find out when nothing works or the engine won't start.
BattWatcher fixes that.
Click for the Quick Start Guide
It keeps an eye on two 12v batteries around the clock, your vehicle starter battery and your leisure battery. If either one starts getting low, it texts your phone in plain English with the voltage and when there's room, roughly how long until it's critical. Text it whenever it's online and it tells you how both batteries are doing.
Quiet when all is well. Straight to your phone when it isn't.
No app. No account. No Bluetooth. No subscription. Just a text, and a simple setup page on your phone.
What BattWatcher does
Watches two batteries at once, the vehicle starter battery and the leisure battery, or just one if that's all you need.
Texts you when a battery is getting LOW, when it's CRITICAL, when it's FLAT, and again when it's OK, with the voltage and an estimate of the time to the next level when there's room.
Alerts go to up to four mobile numbers, so the whole family or your storage site can know.
Works with lead-acid batteries, including flooded, AGM and gel, or lithium LiFePO4, with wording to suit each.
Slowly draining warning if a battery is losing a little charge every day.
Battery voltage very HIGH warning if the charging system may be faulty.
Engine starting won't cause false alarms. BattWatcher ignores the short dip while the engine starts.
Checks the alert is real before texting, so a passing load or a single odd reading won't set it off.
Weekly check text every Sunday morning, so you know BattWatcher is still on duty. It also keeps the SIM in use.
Text 1234 STATUS for both batteries right now.
Optional daily text window. BattWatcher stays online at a time you choose and answers straight away.
Uses 4G, so it keeps working after the older 2G and 3G networks are switched off.
Sleeps most of the time to look after your batteries.
Set up in minutes
Activate the supplied giffgaff SIM on pay as you go.
Connect BATT 1 and BATT 2 to your batteries, red to positive and black to negative, using the leads supplied.
Join the BattWatcher Wi-Fi on your phone and fill in the setup page: your numbers, a PIN, the battery types and a name.
Save. A minute or two later you'll get your first text.
Discreet features
Please note. These features are an extra, not a replacement for an approved vehicle tracker. If your insurer asks for an approved tracker, keep using it alongside BattWatcher.
Motion alert. If the vehicle is moved after it has been parked up, BattWatcher texts you with a Google Maps link to its rough area.
Text LOCATE and BattWatcher replies with a Google Maps link to its rough area, worked out from nearby phone masts.
Text TRACK if the vehicle is stolen, and it texts its rough position every hour until you text HOME.
Text AWAY before a trip so your own journeys aren't reported.
What's in the box
BattWatcher unit with two sets of red and black battery leads fitted
giffgaff SIM card, already fitted, with its activation code
Conformity test certificate
Technical
Supply: one or two 12v batteries, lead-acid or lithium LiFePO4. Not for 24v systems.
Network: 4G texts, using the supplied giffgaff SIM or your own SIM that can send and receive texts.
Protected inputs: fused inside the unit. Reverse polarity tested.
Built-in leisure lead-acid levels: LOW below 12.4v, CRITICAL below 12.2v, FLAT below 11.9v. Levels can be changed on the setup page.
Alerts are confirmed over several readings before a text goes out.
Location: approximate, from phone masts, with no GPS.
Enclosure: PLA Carbon Fibre.
Sleep current: 30µA.
Designed, hand-built and tested in the UK by Digconn Systems.
All prices shown are ex VAT and the product carries a one year warranty.
Ever come back to your motorhome, caravan, campervan or classic car to find the battery flat?
Batteries don't go flat all at once. They drain quietly while the vehicle sits, and you only find out when nothing works or the engine won't start.
BattWatcher fixes that.
Click for the Quick Start Guide
It keeps an eye on two 12v batteries around the clock, your vehicle starter battery and your leisure battery. If either one starts getting low, it texts your phone in plain English with the voltage and when there's room, roughly how long until it's critical. Text it whenever it's online and it tells you how both batteries are doing.
Quiet when all is well. Straight to your phone when it isn't.
No app. No account. No Bluetooth. No subscription. Just a text, and a simple setup page on your phone.
What BattWatcher does
Watches two batteries at once, the vehicle starter battery and the leisure battery, or just one if that's all you need.
Texts you when a battery is getting LOW, when it's CRITICAL, when it's FLAT, and again when it's OK, with the voltage and an estimate of the time to the next level when there's room.
Alerts go to up to four mobile numbers, so the whole family or your storage site can know.
Works with lead-acid batteries, including flooded, AGM and gel, or lithium LiFePO4, with wording to suit each.
Slowly draining warning if a battery is losing a little charge every day.
Battery voltage very HIGH warning if the charging system may be faulty.
Engine starting won't cause false alarms. BattWatcher ignores the short dip while the engine starts.
Checks the alert is real before texting, so a passing load or a single odd reading won't set it off.
Weekly check text every Sunday morning, so you know BattWatcher is still on duty. It also keeps the SIM in use.
Text 1234 STATUS for both batteries right now.
Optional daily text window. BattWatcher stays online at a time you choose and answers straight away.
Uses 4G, so it keeps working after the older 2G and 3G networks are switched off.
Sleeps most of the time to look after your batteries.
Set up in minutes
Activate the supplied giffgaff SIM on pay as you go.
Connect BATT 1 and BATT 2 to your batteries, red to positive and black to negative, using the leads supplied.
Join the BattWatcher Wi-Fi on your phone and fill in the setup page: your numbers, a PIN, the battery types and a name.
Save. A minute or two later you'll get your first text.
Discreet features
Please note. These features are an extra, not a replacement for an approved vehicle tracker. If your insurer asks for an approved tracker, keep using it alongside BattWatcher.
Motion alert. If the vehicle is moved after it has been parked up, BattWatcher texts you with a Google Maps link to its rough area.
Text LOCATE and BattWatcher replies with a Google Maps link to its rough area, worked out from nearby phone masts.
Text TRACK if the vehicle is stolen, and it texts its rough position every hour until you text HOME.
Text AWAY before a trip so your own journeys aren't reported.
What's in the box
BattWatcher unit with two sets of red and black battery leads fitted
giffgaff SIM card, already fitted, with its activation code
Conformity test certificate
Technical
Supply: one or two 12v batteries, lead-acid or lithium LiFePO4. Not for 24v systems.
Network: 4G texts, using the supplied giffgaff SIM or your own SIM that can send and receive texts.
Protected inputs: fused inside the unit. Reverse polarity tested.
Built-in leisure lead-acid levels: LOW below 12.4v, CRITICAL below 12.2v, FLAT below 11.9v. Levels can be changed on the setup page.
Alerts are confirmed over several readings before a text goes out.
Location: approximate, from phone masts, with no GPS.
Enclosure: PLA Carbon Fibre.
Sleep current: 30µA.
Designed, hand-built and tested in the UK by Digconn Systems.