Off Grid Power Geek
UK experts on leisure batteries, solar power, lithium batteries & much more!
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Most Popular Articles
Best Lithium Leisure Battery
This is the ultimate guide to lithium leisure batteries. Are they superior to lead-acid, AGM and gel batteries in every way? What are the pros and cons? Which size do you need? Which battery brand and model is best for your needs? All that and more in this epic guide.
Eco Worthy Lithium Battery Review
What makes the Eco Worthy, in our reckoning, the best lithium leisure battery? Top-notch BMS and high quality lithium cells are only part of this story. Get the full picture in this review.
Leisure Batteries
All Battery Types – Knowledge Base
How Long Does A Leisure Battery Last?
We go in-depth to answer How Long Does A Leisure Battery Last? We’ll tell you the secrets to work out how long and how you can maximise it.
What Size Leisure Battery Do I Need?
The off grid experts answer “What size leisure battery do I need?”. Here’s how to work out your daily Ah usage & how much time you can be off-grid.
What’s The Difference Between A Leisure Battery And A Car Battery?
The off grid power experts review the best 300Ah Lithium battery. The pros and cons of each model, and a left-field option to save a ton of money.
Smart Alternator: Split Charge Relay Won’t Work (For Dual Battery)
The experts explore why a smart alternator means that split charge relays won’t work. We answer in-depth, and we let you know the solution.
Can You Charge A Leisure Battery With A Car Charger?
Here’s the fullest answer to the question: “Can you charge a leisure battery with a car charger?”. It’s better to do so? Really. Here’s why.
Does My Van Have A Smart Alternator?
We tell you exactly how to know “Does My Van Have A Smart Alternator?”. Here is every possible way to find out for sure.
Lithium Leisure Batteries
REVIEWS & RESOURCES
Best Lithium Leisure Battery
Our expert eye turns to the Best Lithium Leisure Battery (For Motorhome, Campervan, Caravan). This is the Ultimate Guide, all you need to know.
Eco Worthy Lithium Battery Review (LiFePO4)
The definitive Eco Worthy Lithium Battery (LiFePO4). Is this one of the best on the market? We rate it and let you know what we found.
Best 200Ah Lithium Battery UK (12V, LiFePO4)
An expert, independent study of the Best 200Ah Lithium Battery UK. What we liked and didn’t like about the top models (12V, LiFePO4 only)..
Ultramax Lithium Battery Review (LiFePO4)
The definitive Eco Worthy Lithium Battery (LiFePO4). Is this one of the best on the market? We rate it and let you know what we found.
Best 300Ah Lithium Battery (LiFePO4)
The off grid power experts review the best 300Ah Lithium battery. The pros and cons of each model, and a left-field option to save a ton of money.
Kepworth Lithium Battery Review (LiFePO4)
Here’s the most comprehensive Kepworth Lithium battery review by the UK’s off grid power experts. What did we like, what didn’t we like?
Best 24V 200Ah Lithium Battery (Li-Ion)
The ultimate buying guide to the best 24V 200Ah Lithium Battery in the UK. All you need to know, what we liked and didn’t like about each model.
Best 24V 100Ah Lithium Battery UK
In-depth, complete reviews of the best 24V 100Ah Lithium batteries in the UK. Here’s how to choose and what’s good and bad about each model.
DC House Lithium Battery Review (LiFePO4)
Welcome to Off Grid Power Geek, and this time it’s a DC House Lithium Battery Review for you. What we liked and didn’t like – a full analysis is here.
Best 48V Lithium Battery (Li-ion, LiFePO4)
Rating the Best 48V Lithium batteries on the UK market. Is a single 48V 100Ah battery the best option, or to build a system of 24V batteries?
Fogstar Battery Review (Lithium)
Welcome to our Fogstar Battery Review. This is a British maker, who’ve grown in popularity; here’s what we liked and disliked in our analysis.
AGM Batteries
REVIEWS & RESOURCES
Best AGM Leisure Battery UK
Here it is – our expert roundup of the best AGM Leisure batteries. Which are the best in the market and how do they compare?
Superbatt Silver 9000 Review (AGM1100, AGM1000, DT120, LM110)
The only Superbatt Silver 9000 Review you’ll ever need. That’s the AGM1100, AGM1000, DT120 and LM110. What did we like, what didn’t we like?
Gel Batteries
REVIEWS & RESOURCES
Here’s the best Gel leisure battery in the UK. We review the top 12V model, what we liked, what we didn’t like. And who needs it?
What Is A Gel Battery?
The off grid power experts answer ‘What is a gel battery?’. We discuss gel batteries, and why they have so many advantages over other batteries.
Gel Battery Charging: Ultimate Guide
The ultimate guide to Gel Battery Charging. All there is to know about Gel batteries and how to charge them is right here. Join us!
Normal Lead-acid Batteries
REVIEWS & RESOURCES
Superbatt Leisure Battery Review
The only Superbatt leisure battery review you’ll ever need. We go in-depth and tell you all you need to know. Such as… it any good?!
Autolite Leisure Battery Review
Check out our Autolite Leisure Battery Review. Here’s why it’s probably the best option that isn’t a Lithium battery.
Leisure Battery Accessories
Leisure Battery Chargers (including DC-DC/B2B Chargers)
REVIEWS & RESOURCES
We check out the Best Leisure Battery Charger UK. How to know which type you need, and how the right one can double your battery lifespan!
CTEK D250SE Review (DC DC Charger/B2B/Battery To Battery)
Our experts CTEK D250SE review. This is a DC DC charger (battery to battery, B2B), with MPPT. Does it deliver or is it CTEK’s black sheep?
What Is A DC To DC Charger?
The experts go into’ What Is A DC To DC Charger’? Who needs it, what does it do for your 12V auxiliary battery system, what are its benefits…
Battery Testers
REVIEWS & RESOURCES
A comprehensive analysis of the Best Leisure Battery Tester 12V. The needs of leisure battery users are different – here’s all you need to know.