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Pricing really depends on how many you need — a single unit for testing runs about $180 or so, mid-tier orders of 50 to 100 pieces come in around $150 each, and bulk quantities of 500+ drop to roughly $125, which makes the cost per cycle pretty attractive when you do the math.
These are basically built for renewable energy setups where the battery gets cycled hard every day, but they also work well in telecom backup or indutrial floor sweepers — just don't use them for high-cranking engine starts because the lead carbon chemistry isn't optimized for that burst.
The design life is listed at 20 years at 25°C, though in practice we've seen them hold up well for a decade or more in field installations, and the self-discharge is under 3% per month, so you can leave them sitting for a month or two without worry.
At 51kg and 296×291×224mm (L×W×H), it's a heavy beast — the M8 copper terminals are embedded rather than bolted on later, which actually reduces internal resistnce to ≤3.2mΩ and cuts down on corrosion issues we used to see with cheaper terminals.
We manufacutre these under CE and IEC standard, but what it does is give you tighter tolerance on capacty than most generic VRLA batteries — we typically hold capacity at 100Ah at the 10hr rate within ±3%, not the ±10% you'll get from unbranded packs.
The float charge range is 13.5 to 13.8V, equalize at 14.1 to 14.4V, and max charge current is 30A, which means a standard 10A charger works fine for overnight topping but you'll want a bigger unit if you're doing daily full cycles and need to recharge in 4 hours or less.
We typically start at 50 units for standard orders, but we can go lower for sample or trial batches — just let your account manager know.
Lead time is usually 15-20 working days after order confirmation, depending on the customization level. We’ll give you a firm date in the proforma invoice.
Yes, we include CE, IEC, and ISO9001/ISO14001 certificates with every order. If you need a specific test report, like cycle life or capacity at different temperatures, just request it — we can share the data.
The M8 copper terminal is standard for this model, but we can swap it for other copper terminals or add adapters based on your BMS or inverter connection. Contact us with your specs to confirm feasibility.
Store them in a cool, dry place between -20°C and 40°C, ideally at 25°C. Keep the state of charge above 50% and recharge every 3 months to prevent self-discharge dropping below safe levels.
