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We’ve ordered the HTB12-200, and the main reason is the cycle life—1600 cycles at 50% DOD is about what we need for the solar array expansion, and the 200Ah capacity at the 20-hour rate should cover the load. It weighs 58.6kg, give or take 3%, and the dimensions are 532mm by 206mm by 215mm, so we’ll need to check the rack spacing before it arrives.
What really sold it was the operating tempearture range—-20°C to 60°C—since half our installs are in uninsulated sheds that hit 50°C in summer, and we’ve had standard AGMs swell up there. The gel electrolyte with nano tech keeps it stable, and the self-discharge is only 3% per month at 25°C, so it won’t drain during idle weeks.
It’s not for high-rate discharge applicaion like UPS backup for server rooms—the internal resistnce is ≤3mΩ, which is decent, but the deep-cycle design prefers steady loads. Anyway, for telecom or marine use, it’s better than flooded cells because of that it’s non-spillable and explosion-proof, and maintenance-free means we don’t have to check water levels quarterly.
The 3-year warranty is standard for this class, and we got OEM availability confirmed for orders above a 20ft container—roughly 100 units or so, but confirm lead time with the rep. Lead time was quoted at 4-6 weeks (usually 2-4 weeks if they have stock), and the M8 terminals fit our existing busbars without adapters.
One thing the spec sheet doesn’t mention—the terminal torque spec is 15-20 Nm, and over-tightening can crack the gel case, so we’ll include a torque wrench in the install kit. Also, the 58.6kg weight means two people for handling, no exceptions.
So we’re ordering 48 units for first batch, with a COA per batch and CE/IEC certs on file. The design life of 15-20 years at 25°C is optimistic for our climate, but even at 35°C average we should see 10 years or so, which beats the 5-year replacements we’re doing now.
OEM orders for a full 20ft container typically take 30–35 days from order confirmation, including custom label design and production. We'll coordinate the artwork and specs upfront to keep things moving.
Yes, we have CE, IEC, and ISO certifications that cover the full -20°C to 60°C range, plus internal test data for cycle life at extreme temperatures. We can share those reports with you upon request.
For sample or trial orders, we can do a minimum of 2 units. Bulk pricing kicks in at 50 pieces, and the 20ft container OEM deal is for larger volumes.
Yes, M8 is a common size for UPS and solar connections, so most standard cables fit. We do include terminal covers with each battery for safety during storage and installation.
Store it in a cool, dry place between 0°C and 35°C, off the ground, and charge it every 6 months. With a self-discharge rate of 3% per month, you'll get about a year of storage before needing a top-up.
