SIP SIP-03556 CHARGESTAR D40 Digital Battery Charger
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Description
- Product Code: SIP-03556
- Brand: SIP
- Barcode: 5012713035564
- Category: Chargers
SIP 03556 Chargestar D40 Digital Battery Charger 12V/24V
The SIP Chargestar D40 is a dual-voltage battery charger built for charging and maintaining 12V and 24V lead acid batteries. Designed for workshop and automotive use, it delivers controlled, efficient charging while helping extend battery life.
An 8-step microprocessor-controlled cycle manages the full charging process automatically, adjusting output to suit the battery condition. This helps prevent overcharging and improves overall performance, especially on regularly used or partially discharged batteries.
With a high charging capacity, it is suitable for a wide range of vehicle batteries including cars, vans and light commercial use. The boost function provides a short 40A fast charge for quicker recovery when needed, while the alternator check function allows basic system testing on 12V setups.
The digital interface with soft touch controls gives clear feedback and easy operation. Built-in safety features include reverse polarity protection, anti-spark system, overcharge protection and thermal monitoring with auto restart.
Compact and portable, it includes a carry handle for easy movement around the workshop, and comes supplied with long leads and clamps for immediate use.
Compatible with 12V and 24V lead-acid batteries including WET, MF, EFB, AGM and CaCa types used in cars, vans and light commercial vehicles.
Specification
- Output Voltage - 12V / 24V
- Charging Capacity - Up to 550Ah (12V) / 300Ah (24V)
- Charging Control - 8-step microprocessor system
- Battery Types - WET, MF, EFB, AGM, CaCa
- Boost Mode - 40A fast charge (5 minutes)
- Functions - Charging, maintenance, alternator check (12V)
- Low Voltage Detection - Above 3V
- Display - Digital interface with soft touch controls
- Safety - Anti-spark, reverse polarity, overcharge protection, overheat alarm with auto restart
- Lead Length - 2m cables with clamps
- Design - Compact with carry handle
Included
1 x Battery Charger
1 x Charging Leads with Clamps
Covered by a standard SIP 2-year manufacturer warranty.
A strong, versatile charger that we recommend for safe and controlled charging across a wide range of vehicle batteries.







