MEDA

22/10/2026

Meet Powerview RV. Your battery, on the wall.

Powerview RV is a 5" wall display for your motorhome or caravan. It connects straight to your MEDA lithium battery over Bluetooth and shows you what's going on at a glance. You don't need a phone, an app or Wi-Fi.

- Charge level, what's going in or out, and how long you've got left
- Every cell, live: see inside your battery
- Plain-English alerts like "Too cold to charge", not error codes

It's designed and built here in Tauranga, and it's the first in the Powerview series. Next up is a Powerview for Victron GX systems.

Launch special: $299 with any MEDA battery (normally $399). Only for the first 20.

Message us or pop into the shop to grab one of the first.

16/10/2026

30/08/2026

Which lithium battery do you actually need?

100Ah or 320Ah for the van? 24V for the boat? A 10kWh wall battery for the house, or a 30kWh bank for going fully off-grid?

We wrote down the advice we give over the counter every week - what Ah and kWh really mean, the BMS rating that catches everyone out, why you should never chain 12V batteries into a 48V bank, and how to size a battery for a camper, a boat, a tiny home or a whole house.

No jargon, no sales pitch - just the guide we wish everyone read before buying.

Read it here:

Shopping for a lithium battery in NZ and drowning in numbers? 12V or 24V or 48V, 100Ah or 200Ah, kWh, LiFePO4, BMS ratings - this guide cuts through it. It is the same advice we give customers over the counter in Tauranga every week, written down. One thing most guides miss: lithium batteries are no...

24/07/2026

Another few roofs earning their keep.

Panels on, inverters humming, owners sorted.

17/07/2026

Another busy week in the MEDA workshop. PowerDepot, PowerPlant and our flagship PowerVault cabinets rolling off the bench - assembled, wired and tested right here in Tauranga before they head out the door. Off-grid made easy.
New update every Friday. Follow along.

07/07/2026

Everything Victron shipped since April, rounded up for NZ installers and DIYers.

Victron Microgrid goes official with a full application manual and firmware, a first look at the new high-voltage Multi HS19, the Orion XS 70A, two Venus OS releases, and Opportunity Loads, a clever new way to put surplus solar to work.

What it all means heading into winter 2026:

meda.co.nz/blogs/meda-blog/victron-roundup-june-2026-medawhere

07/07/2026

Two years ago we switched this place on. It has not had a power bill since.

72 panels. 150kWh of lithium storage. Full three-phase power to a large family home, pool included. Completely off the grid.

In the last 12 months it generated 23,600 kWh of its own power, that is 99% of everything the house used. The backup generator? 162 kWh all year. Less than 1%.

Off-grid does not mean going without. It means owning your power.

Full story: meda.co.nz/blogs/meda-blog/two-years-off-the-grid-a-mangawhai-case-study-meda

18/05/2026

There's a new wave of slick all-in-one solar batteries hitting
the NZ market. They're great for grid-tied homes. But should
you use one for true off-grid?

Our take: usually no. Here's why surge capacity, repairability,
and 50 years of field data still matter when there's no grid
behind you.

Read the full breakdown 👇

Low-frequency vs high-frequency inverters for off-grid: why surge capacity, modular repair, and track record matter when there's no grid behind you.