Projecta 4A 12V 8 Stage Battery Charger AC040
The new and improved Charge N’ Maintain is perfectly suited to the DIY’er. No fuss options mean you can simply hook them up and the charger will do the rest. Projecta’s Charge N’ Maintain range offers a safe and practical method for charging all your automotive and marine batteries. Projecta Charge N’ Maintain Chargers are ‘Smart Chargers’. This technology offers switchable charging stages that ensure an accurate and efficient charge for your battery. This allows longer life and better performance for your battery over extended periods of time. Projecta’s Charge N’ Maintain Smart Chargers communicate with the battery and ascertain its level of charge. This allows the charger to balance its load and optimise its charging methods to ensure charging is stopped when the battery reaches capacity.
The new and improved Charge N’ Maintain is perfectly suited to the DIY’er. No fuss options mean you can simply hook them up and the charger will do the rest. Projecta’s Charge N’ Maintain range offers a safe and practical method for charging all your automotive and marine batteries. Projecta Charge N’ Maintain Chargers are ‘Smart Chargers’. This technology offers switchable charging stages that ensure an accurate and efficient charge for your battery. This allows longer life and better performance for your battery over extended periods of time. Projecta’s Charge N’ Maintain Smart Chargers communicate with the battery and ascertain its level of charge. This allows the charger to balance its load and optimise its charging methods to ensure charging is stopped when the battery reaches capacity.
The new and improved Charge N’ Maintain is perfectly suited to the DIY’er. No fuss options mean you can simply hook them up and the charger will do the rest. Projecta’s Charge N’ Maintain range offers a safe and practical method for charging all your automotive and marine batteries. Projecta Charge N’ Maintain Chargers are ‘Smart Chargers’. This technology offers switchable charging stages that ensure an accurate and efficient charge for your battery. This allows longer life and better performance for your battery over extended periods of time. Projecta’s Charge N’ Maintain Smart Chargers communicate with the battery and ascertain its level of charge. This allows the charger to balance its load and optimise its charging methods to ensure charging is stopped when the battery reaches capacity.
The new and improved Charge N’ Maintain is perfectly suited to the DIY’er. No fuss options mean you can simply hook them up and the charger will do the rest. Projecta’s Charge N’ Maintain range offers a safe and practical method for charging all your automotive and marine batteries. Projecta Charge N’ Maintain Chargers are ‘Smart Chargers’. This technology offers switchable charging stages that ensure an accurate and efficient charge for your battery. This allows longer life and better performance for your battery over extended periods of time. Projecta’s Charge N’ Maintain Smart Chargers communicate with the battery and ascertain its level of charge. This allows the charger to balance its load and optimise its charging methods to ensure charging is stopped when the battery reaches capacity.
in 37 offers
The lowest price for Projecta 4A 12V 8 Stage Battery Charger AC040 right now is $76.99 at Marine-Deals.com.au, compared across 35 retailers.
The all-time low was $35.00 on 3 June 2026 — today's price is 120% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 23 July 2026.
Last updated at 23/07/2026 00:15:05
Projecta N Maintain 4 Amp 12V 8 Stage Automatic Battery Charger
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Projecta Charge N Maintain 8-Stage Automatic Battery Charger 4A 12V
Delivery between 27–30 July $13.99
Projecta 4 Amp 6/12V 8 Stage Automatic Battery Charger
Delivery $10
Projecta 6/12V Automatic 4 Amp 8 Stage Battery Charger AC040
Delivery $12.90
Projecta 6/12V Automatic 4 AMP 8 Stage Battery Charger
Delivery between 28–30 July $13.25
12V 4A 8 STAGE CHARGE & MAINTAIN BATTERY CHARGER
Delivery $12
Projecta AC040 4 Amp 6/12V 8 Stage Automatic Battery Charger
Delivery between 30 July – 1 Aug $9.95
Charge N Maintain Battery Charger 8 Stage 4Amp 12v
Delivery $28.03
Charge N Maintain Battery Charger 8 Stage 8Amp 12v
Delivery $28.03
PROJECTA AC040 6/12V AUTOMATIC 4 AMP 8 STAGE 2 YEAR WARRANTY BATTERY CHARGER
originally posted on automegastore.com.au
Great product, easy transaction and quick delivery. Recommend Auto Mega Store
originally posted on automegastore.com.au
Really happy with the product fast shipping
originally posted on automegastore.com.au
All good
| Input | 220VAC-240VAC, 50-60HZ |
| Output | 12V/6V |
| Output current | 12V 1, 4A/6V 4A |
| Minimum start voltage | 2.0V |
| Approvals | Electrical Safety, EMC |
Projecta N Maintain 4 Amp 12V 8 Stage Automatic Battery Charger
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Projecta Charge N Maintain 8-Stage Automatic Battery Charger 4A 12V
Delivery between 27–30 July $13.99
Projecta 4 Amp 6/12V 8 Stage Automatic Battery Charger
Delivery $10
Projecta 6/12V Automatic 4 Amp 8 Stage Battery Charger AC040
Delivery $12.90
Projecta 6/12V Automatic 4 AMP 8 Stage Battery Charger
Delivery between 28–30 July $13.25
Great product, easy transaction and quick delivery. Recommend Auto Mega Store
Really happy with the product fast shipping
All good
Product as described.Fast deliveryOnly down side is the delivery cost but then again cant do much about that.Would defiantly consider purchasing from AutoMegastore.
Hi , there,Sorry for my late reply, a friend helped me to test the charger as I am not spark friendly, it works well,I like it because it is a smallI unit . Thank you it is great, and I thank you for your fast shipment as well. !
Excellent. Arrived on time. Hassel free. Will use them again.
The quality and performance can not be beaten.The price is great for the functions.We have other multi stage chargers from Projecta, in use most of the time and going strong years later.We buy charger from Projecta, as value and function unbeatable.RonaldRonica Trade
Great product, poor service.
So far so good, works as intended. Keeps my sounder battery charged.
Exelent products great quality with great reputation
| Input | 220VAC-240VAC, 50-60HZ |
| Output | 12V/6V |
| Output current | 12V 1, 4A/6V 4A |
| Minimum start voltage | 2.0V |
| Approvals | Electrical Safety, EMC |
