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I've been meaning to post for a while, but only just got around to it.
Thanks to everyone on this thread. I purchased the replacement batteries and put them in my Nash barrow.
Old batteries weighed 4.8kg
New batteries weigh 2kg
New batteries in situ
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In reply to Post #39
Always take the handle off and cover the barrow when happy I'm on fish / set up . . .'noid about getting water into the electrics esp on the throttle controller and exposed connections
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In reply to Post #38
Good idea mate, I’ve just left mine out in all weathers for the last two and a bit years, I use it mostly at least monthly, and usually through winter too but I don’t think I done the old battery any favours by leaving it out there attached etc . Looking forward to trying these out!
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In reply to Post #37
I used to leave mine fully connected (and still do) in the garage with the power turned off . . .the only time I disconnect is the handle connection (when in transit to and from lake) and the batteries themselves when they need re-charging . . . will also disconnect the batteries and store elsewhere when first frosts hit as carping is over for me when winter arrives . . .
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In reply to Post #36
Received mine within 3 days! They’re probably less than half the weight of one of the lead acid batteries, I received two of the chargers with LED indicators too which I was happy about.
Seeing that you left yours on accidentally between sessions, do you usually leave your batteries attached between sessions then, as I do too, which I think lead to my lead acid ones depleting so “quickly” I was wondering if I should now be detaching the batteries when the barrow is away stored in the garage etc?
Thanks
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In reply to Post #1
The power of the snotty email - good service tbf . . .not only were non-LED chargers collected and replaced with LED versions; they've now randomly sent me another pair! ! 
Footnote - stupidly left my barrow 'on' in the garage after returning from a recent trip; 24hrs later when I went back to check something the barrow lights remained on and on full power! Would have never happened with old lead acid jobbies . . .
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Thanks for the link guys, I’ve just purchased them too, I’ll report back when I receive them, no email to confirm for me either!
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In reply to Post #33
Can relate - I'm also 53 and have no desire to push lol . . .if you want an even easier life can fully recommend the barrow buddies swivelling rear wheels for your barrow - game changer!
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In reply to Post #32
 I've got a 12v 100Ah Ultramax Lipo4 for my outboard motor had it about 8 or more years now, it is still as good as they day I bought it admittedly it only gets used a few times a year abroad on the boat motor fishing 4 rods on long tows, spot finding dropping rigs going out to land fish transporting gear etc... lowest charge I've come back with is around 40 to 50% charge left in it never managed to exhaust it.
I rate the Ultramax batteries, I was skeptical about getting them for the barrow as I read that Nash advised not to use them with theirs but as soon as the post earlier said ignore that most of the Nash boys use them that was it for me as the AGM's supplied by Nash in my opinion were ****ed from the start, I certainly noticed the extra juice in these last weekend especially going up the ramp into my van, I struggled before with the supplied AGM's and had to help with a little push just at the crest of the ramp loading it in then by the time I'd finished and used it on what I'd consider an average distance push they didn't have the power left at the end of a session to get the barrow up the ramp back into the van, she flew up the ramp both ends of the trip last weekend, the AGM,s would be flashing red on the speed controller nearing the end of return trips, hopefully these will be a lot better as I've got some 20, 30 and 50 acre pits and at 53 haven't got the strength or lungs for pushing these days for that hence why the wife bought me the power barrow as a Christmas present.
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In reply to Post #31
Will be interesting to see long term usage reports and also how much more juice / distance we get between charges . . .
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I'm happy enough without the LED on the chargers they've still got heat protection and overcharge cutout when reading the blurb on the leaflet in the box.
Following the 3 hour charge last week immediately after removing the crocodile clips they read 14.4 volts at that point which you'd expect to see after removing the charger then by the morning in their rested state they'd settled at 13.6 volts which is still 100%, I tested them again after fishing Friday night and using the barrow for about a 1000 meter round trip and they were reading 13.4 volts which is 99% full, the chart below gives a rough guide on 12volt lead/acid values and Li-ion
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In reply to Post #29
I had to send several snotty emails (after they tried to fob me off into buying / testing with a volt meter) and with some emotional support from Rob (!) they are collecting my chargers and replacing with LED variants.
*Note to anyone else buying these batts - ensure you get the 'correct' LED chargers prior to purchase to save any agg - otherwise they will claim you will only receive whatever stock they have available (probably a backlog of non-LED 3A/12V chargers!)
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In reply to Post #28
I contacted them as wasnt happy about the chargers and they are swopping them over for me - cant grumble about that
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Have a word with the guy at ALTechnologies (just google that name) he might be able to help you ?
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In reply to Post #26
I have something very similar for my lithium battery 👍
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In reply to Post #25
I rang 'em and they said those were the correct chargers supplied (non LED) at the time of ordering. Do agree its a bit noddy in terms of overcharging risk - a simple LED (like all the other chargers I have for baitboat/toslon etc) means they're unplugged when the light goes green - on this basis (and the instruction to store at 60% over elongated dormant periods) anyone got any advice on best chargers?
This one?
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In reply to Post #24
Personally I would NEVER ever leave anything on charge past its fully charge time if they were completely flat with that size charger 3 hours will fully charge but realistically 2 hours will be enough 90% of the time
also read post 16
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In reply to Post #23
thanks mate - i assume you cant over charge them if i left them on
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In reply to Post #22
YEP but read post 16 !
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In reply to Post #21
mine arrived yesterday and again no leds - put them on and 2 hours later they were cool - strange system but are we thinking if its not hot they are charged?
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Mine turned up yesterday afternoon, no LED on the chargers just put them on at 4.30 and by 7.30 the charge controller was cool again tested the batteries and they were reading 14.1V.
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In reply to Post #17
Did call them and the response was 'when they are cool they are charged' . . . !
Might give them another bell - my chargers def have no LEDs . . . which is a little daft
Chargers are 3ah so 3hrs from empty makes sense - they said you can use a LifePo specific charger as long as its not bigger than 12V 10ah . . .this would effectively half the recharge time but obvs you'd being doing one at a time so no real time saving!
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In reply to Post #18
just ordered some over the phone theyve said that the chargers vary dependant on stock - Ive been using my RING Car charger before now as the Nash ones are rubbish but they must be lithium charger to work - anyway Ive ordered thanks for the heads up
@Belch I was told 3 hrs to charge or you can use a volt metre
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In reply to Post #15
That's a pretty quick turnaround, hopefully I should receive mine before the weekend if its as quick as that, I'm getting fed up of having to re-charge the AGM batterys after every session that were supplied by Nash with the barrow, they were not very good from the off a 4 to 500 meter trek would near flatten them and of late that was down to about 300 meters.
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You'll love them Belch. As for the chargers, mine also came with an indicator so definitely worth a phone call/email to them.
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In reply to Post #15
Speak to battery master about the chargers as both the chargers that came with my batteries the chargers have indicator lights on the black box red when charging and goes green when charged
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In reply to Post #14
Received - much lighter but otherwise exactly the same dims as previous Lead Acid versions so fit existing Nash zipped battery bag perfectly.
Delivered with half charge but showing full charge on barrow already - supplied with 2x 3AH chargers (which is convenient as you can charge both at the same time) however chargers have no LED confirmation so only way of ascertaining a full charge is charger temperature (assumed cool when charge cycle complete).
May get an aftermarket jobbie as it recommends 60% for optimum storage (me over winter) - any recommendations?
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In reply to Post #12
All went through this morning no emails to say otherwise yet.
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Interested in this thread as may follow suit -assume batteries will fit the barrow no bother as well?
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In reply to Post #11
Must have got lucky - just had a Yodel delivery confirmation . . .
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In reply to Post #9
Yesterday morning Chris about half past 9 in the morning had the standard emails saying it had gone through and they would email to say when they've dispatched then by 10am had an email saying credit memo thinking they possibly never had stock so I rang them and eventually a guy said try again see if if works but at that point I had 125 notes gone from my paypal so I said I will try again when they refund the money which TBF they did late afternoon, I'll have another go this morning, chap on the phone didn't know why it had happened?
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In reply to Post #9
I bought a battery from these guys. Didn't hear a thing until it was delivered and then an invoice (marked paid) turned up by email.
Bit weird nowadays, but I wouldn't fret. Mine turned up in a few days.
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In reply to Post #8
When did you order / pay Ian? Mine seems to have processed however have not had dispatch message yet etc
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I did as well but just had a credit advisory back I assume they haven't got any.
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In reply to Post #6
Thanks both - ordered!
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In reply to Post #5
Here you are mate Ultramax 12v 10Ah Lithium Iron Phosphate LiFePO4 Battery with Charger £65.40 Regular Price £138.98
Buy 2 for £62.14 each and save 5%
LINKY POO 
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In reply to Post #4
I’m no good with adding links their very easy to find on their website just make sure they are lithium lifepo4 12v 10ah
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In reply to Post #2
Have you got a link pls Chris so I don't order the wrong ones? Cheers
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In reply to Post #2
In spite of the recommendations on the instructions for the Nash Power Barrows regarding not to use lithium batteries with the product, all the Nash boys themselves have changed over to lithium.
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In reply to Post #1
Go on www.batterymasters.co.uk website get a couple of lithium lifepo4 batteries 12v 10ah around £62 per battery comes with a mains charger per battery their half the weight of the sealed lead acid ones and last a lot longer straight swap over no mods needed and their the same size as the sealed lead acid ones so fit in the battery bag . Their what I have been using on my metro power barrow the last year with no problems
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Nash Power Metro - 3yrs in and I think my original batteries are nearing the end of their useful . . .being a total div with anything electrical (changing a standard lightbulb is where it ends) . . .
Q - What 'better' options are there available other than swopping out like for like (ie 2x 12V/9ah sealed Lead Acid with spade end terminals/connectors) ?
Don't want to be messing with new cables / connector end differences - just want to be able to use the same supplied wiring connections (1x battery to battery linking cable positive / negative) 1x control box to battery linking cable positive / negative) ie plug and play
HELP! Cheers
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