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01223 858414

4kW Off-Grid Kit with 10kWh Lithium BYD Battery



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This 4kW solar charging kit is the complete solution for anyone choosing to get away from mains power, and living the off-grid dream. Perfect for office conversions, sheds, garages, beach huts, or live-aboard boats, this kit is capable of powering most domestic electrical appliances year round (lighting, TV, PC, kitchen appliances, fridges).

With an integrated Victron Energy EasySolar solution, one simple box is all you need. It includes a state of the art MPPT charge controller for controlling solar panel output; and an internal Multiplus inverter/charger to allow DC input from a generator and also crucial AC output power distribution. This is a simple solution and one of the best products on the market, coming with a 5 year warranty.

The same batteries used on the BYD double-decker E-Buses in London; the B-BOX with BYD's excellent Iron-Phosphate battery has the advantages of high reliability, high life-cycle and high temperature performance, as well as being environmentally friendly. 10 year warranty standard.

Full system control is gained - almost anywhere in the world - by accessing your Color Control GX using the free-to-use Victron Remote Management Portal (VRM).

This complete kit contains:

    15 x 270W Polycrystalline Solar Panels - exceptional low-light performance using anti-reflective nanotechnology and enhanced shunt resistance

    5kVA 48V Victron EasySolar Inverter/Charger with MPPT solar regulator - an all-in-one unit combining solar input, DC input (from generator if needed), battery DC output, and AC power distribution. Comes with the Victron CCGX color control for live information and total control

    10kWh BYD B-Box V2 Lithium Battery - relying on the cutting-edge BYD Iron-Phosphate battery for streamlined energy storage and now 100% DoD

    Victron BMV-700 Battery Monitor - with current shunt and VE.Direct cable for connection

    Battery Cabling for Multiplus and EasySolar Regulator

    50m reel of 4mm2 cable with MC4 Connectors

    2 x Pair of T-branch MC4 Connectors - for connecting in parallel

    15 x Channel mounts for solar panels (with self-tapping screws and clamps)

This fully off-grid household 48V solution combines 4050W solar power; a combined Victron EasySolar all-in-one unit that utilises MPPT controller technology for the solar panels to charge and connect with maximum charging efficiency to the 10kWh BYD lithium battery bank that installs easily in a beautiful cabinet; plus a reliable 5kVA (4000W continuous) pure sine wave inverter/charger for AC power output and for charging batteries from an available AC grid/shore/generator connection (recommended for winter when solar yields are lower).

Standard flat roof mounting is included. If your looking for alternative mounting solutions please check out our mounting page.

Please note that this is a guide and we are more than happy to help you with your own bespoke solar power solution, with different solar panels, batteries or any additional items you wish. Feel free to contact us directly by phone or email.