Tim Graham

Tim Graham

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@TimGraham

Joined Dec 2025
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Overview Reviews (0) Posts (5)
HUAWEI SUN2000-5KTL-L1 , bzw. SMA Sunny Boy 5.0-1AV-41 mit Victron MP2 im Offgridmodus kompatibel?
Great thread, @SueJohnson. Worth noting that the Huawei SUN2000-L1 series uses a proprietary frequency-shift response curve that doesn't always play nicely with Victron's frequency shifting...
in Monitoring & System Design 1 month ago
Bought two second-hand 200Ah LiFePO4 cells off eBay — how do I know if the BMS is actually doing its job?
Hey @PeteDixon89, decent score at that price! To check your Daly BMS is actually doing its job, grab the Daly Smart BMS app via Bluetooth dongle (they're a few quid on eBay) — it'll show you...
in Batteries & BMS 4 months ago thumb_up 2
Anyone else finding their Victron MPPT undersized after adding more panels?
Great points already made by @QMC_Camper and @BarryWood. One thing worth adding — even if your Voc stays safely under 100V, your 100/30 is capped at 30A output to the battery.
in Q&A 5 months ago thumb_up 6
Anyone else struggling to get accurate SOC readings with a PWM controller on AGM batteries?
I've been running a fairly basic setup in my self-build camper for about 18 months now — 200W of panels through a Victron BlueSolar PWM 20A into a pair of 110Ah AGM leisure batteries wired in...
in Solar Panels & Controllers 5 months ago thumb_up 4
Grid's just gone down in my area - how long will my battery bank last with essentials only?
Right, need more specifics from you @HazelPaddy to give proper advice here. What's your battery capacity in kWh? And crucially — what are you actually powering?
in Emergency & Backup Power 7 months ago