12V 20A DC-DC Battery Charger for RV, Van, Boat, Off-Grid | Lithium & Lead-Acid Batteries

Original price was: £102.69.Current price is: £92.42. Save 10% online · trade saves 30–50%

In stock — order by 2pm for next-working-day dispatch.

Features
Broad System Compatibility

Compatible with 12V AGM, Flooded, Gel, and Lithium batteries

Compatible with smart or traditional alternators via connection to the 12V starter battery

Ideal for RVs, vans, boats, and off-grid power systems

Smart Multi-Stage Charging

2-stage charging for lithium batteries

3-stage charging for lead-acid batteries (Bulk → Absorption → Float)

Lithium Battery Activation: Automatically wakes up over-discharged lithium batteries

Smart Protection &

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£92.42
10% off RRP
RRP £102.69
Trade account
from £51.35
30–50% off RRP · set at approval

Authorised UK stockist of Renogy — genuine units, full manufacturer warranty.

  • Next working day pallet & parcel delivery
  • Genuine UK stock — never grey import
  • Blind dropshipping for resellers
SKU: RS-DC20 Brand:

Description

Features
Broad System Compatibility

Compatible with 12V AGM, Flooded, Gel, and Lithium batteries

Compatible with smart or traditional alternators via connection to the 12V starter battery

Ideal for RVs, vans, boats, and off-grid power systems

Smart Multi-Stage Charging

2-stage charging for lithium batteries

3-stage charging for lead-acid batteries (Bulk → Absorption → Float)

Lithium Battery Activation: Automatically wakes up over-discharged lithium batteries

Smart Protection & Control

Built-in protection against over-voltage, over-temperature, and reverse polarity

Battery isolation prevents reverse current between batteries and protects the starter battery

Advanced Control Interfaces

D+ Ignition Terminal: Charges only when the engine is running to protect the starter battery

LC Terminal: Activates low current mode (10A) for small alternators or weak power sources

RJ11 Temperature Sensor Port: Adjusts voltage for cold and hot environments to protect battery

Additional information

Weight 1.8 kg
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