When installing the DC-DC battery charger, are there any precautions I need to be aware of?

First, installing the charger horizontal will improve venting and heat dissipation of the charger. Additionally, positioning the DC-DC charger nearer the service battery is advised.

What types of batteries can the charger be used for?

Our charger is compatible with the following 12V battery types by default:AGM，FLD，GEL，SLD our charger also features a custom mode, which can be adjusted according to the specific needs of different batteries to ensure optimal charging performance.

How does the charger have communication functionality?

To enable communication, purchase the RENOGY BT-2 Bluetooth module and connect it to the charger's communication port. This will establish communication with mobile terminals like DC Home and Core, granting access to crucial data.

What stages of charging logic do smart chargers typically include?

Smart chargers typically feature a four-stage charging logic design, encompassing the bulk charge stage, constant voltage stage, float charge stage, and equalization stage. These stages ensure that batteries can be charged safely and efficiently.

12v 20a Dc Dc Battery Charger Multi Stage For Lithium

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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8539853₫

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In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🔌 Charge smarter, drive farther — power your adventures with confidence!

ADVANCED SAFETY FEATURES - Built-in overload, short circuit, over-temperature, and reverse polarity protections keep your batteries and vehicle safe under all conditions.
TAILORED 4 STAGE CHARGING - Optimized charging for Lithium, AGM, Gel, and Flooded batteries with automatic profile selection for peak battery health and longevity.
BLUETOOTH MONITORING READY - Add the BT-2 module to control charging current and track real-time battery stats via the Renogy app—perfect for data-driven power management.
SMART ALTERNATOR DETECTION - Protects your starter battery by charging only when the engine runs, ensuring zero drain and maximum reliability on the road.
COMPACT CORROSION RESISTANT - Sleek wall-mount design built to withstand humid, marine, and RV environments without compromising safety or performance.

The Renogy REGO 12V 20A DC-DC Battery Charger is a robust alternator-powered charger designed for RVs, vans, and boats with auxiliary batteries. It features intelligent alternator detection to protect starter batteries, a 4-stage charging algorithm tailored for multiple battery chemistries including Lithium and AGM, and a compact, corrosion-resistant design ideal for harsh environments. With optional Bluetooth monitoring, it offers real-time data and adjustable charging currents, ensuring efficient, safe, and reliable battery management on the go.

Specifications

Amperage	20 A
Asin	B0FBGHPSDJ
Best Sellers Rank	#120,451 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #27 in Boat Battery Chargers
Brand	RENOGY REGO
Color	Black
Compatible Devices	12V batteries including flooded, gel, AGM, and Lithium (LiFePO4) batteries
Connector Type Used On Cable	SAE
Current Rating	20 A
Customer Reviews	4.4 4.4 out of 5 stars (33) 4.4 out of 5 stars
Input Voltage	16 volts
Item Dimensions D X W X H	2.3"D x 9.31"W x 5.17"H
Item Highlight	94% efficiency,alternator powered, Smart 3-stage,Li activation, over/short/thermal protection, smart alternator ready for RVs
Manufacturer	RENOGY REGO
Mfr Part Number	PWM
Model Number	20A Cold Start
Number Of Items	1
Number Of Packs	1
Number Of Ports	3
Output Voltage	12 volts_of_direct_current
Specification Met	CE, FCC, IEC, UL
Unit Count	1 Count
Warranty Description	2-year material and workmanship warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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8539853₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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12V 20A DC-DC Battery Charger Multi-Stage for Lithium/AGM/Gel

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Description

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Common Questions