Product Description
- Description
Description
Super‑Charged U1 AGM Battery + Smart Maintainer Kit
Everything you need for instant starts now—and a battery that stays healthy all year.
Why this combo is a no‑brainer
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Ready‑to‑run power – Your U1 Super Battery ships 100 % pre‑charged with 375 CA / 300 CCA for reliable cold‑weather cranking in mowers, tractors, generators, and UTVs.
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Built‑in battery insurance – Clip on the BRS 612 Smart Charger (6 V / 12 V, 1 A) when you park and it maintains the ideal charge curve automatically—no risk of over‑charge, sulfation, or winter kill.
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Zero maintenance, zero spills – Sealed AGM design means no water top‑ups, no acid leaks, and installation in almost any position.
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Shock‑proof & vibration‑proof – Lead‑calcium grids and absorbed‑glass‑mat construction shrug off rough terrain.
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Free & fast shipping + iron‑clad guarantees – 30‑day money‑back trial, 1‑year full battery replacement (no proration), and a 1‑year charger warranty.
Quick‑fit dimensions (battery)
Length | Width | Height | Weight |
---|---|---|---|
7.8″ / 197 mm | 5.1″ / 130 mm | 7.2″ / 184 mm | 14.5 lb / 6.58 kg |
Standard GR‑U1 footprint—drop‑in upgrade for most John Deere, Cub Cadet, Husqvarna, MTD, Toro, and more.
Tech specs at a glance
Battery | Charger |
---|---|
Voltage: 12 V | Input: 100–120 V AC, 50/60 Hz |
Cranking Amps (CA @ 32 °F / 0 °C): 375 | Output: 1 A at 6 V or 12 V (auto‑select) |
Cold‑Cranking Amps (CCA): 300 | 3‑stage smart charging—bulk, absorption, float |
Chemistry: Sealed AGM (Pb) | Short‑circuit, reverse‑polarity & overload protection |
Orientation: Any (except upside‑down) | Size / weight: 105 × 68 × 35 mm, 0.5 kg |
What’s in the box
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BRS Super Battery – U1 AGM (fully charged) (1 Year Warranty)
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BRS 612 Smart Charger / Maintainer + quick‑connect eyelets (1 Year Warranty)
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User guides for Charger
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Peace‑of‑mind—free, fast shipping and hassle‑free returns
Start strong. Stay charged.
Hit Add to Cart now and give your equipment the power—and protection—it deserves.
BRS 612 Smart Charger Specs
Instant starts now, peak performance for years. This combo pairs our fully‑charged U1 AGM Super Battery with the BRS 612 automatic maintainer—so you’re covered from the first crank to the last snow‑free day of the season.

BRS 612 Smart Charger Specifications
Type | 3‑Stage Automatic |
Input | 100 – 120 V AC | 50/60 Hz |
Output Current | 1 A @ 6 V / 12 V |
Protections | Short‑circuit, reverse polarity, overload |
Certifications | UL/cUL, FCC, CEC listed |
Dimensions | 105 × 68 × 35 mm |
Weight | 0.5 kg |

Worry‑Free Coverage: 1‑year full replacement warranty on the battery (no proration) & 1‑year manufacturer’s warranty on the charger.