Unleash ultimate power and uncompromised reliability with the BOSCH 12V 120Ah AGM Deep Cycle Battery! Engineered by the global leaders in technology, this high-performance powerhouse is built to fuel your off-grid demands and long-duration adventures. Whether you are setting up a reliable solar network, powering your motorhome, or safeguarding your home backup system, Bosch’s advanced Absorbent Glass Mat (AGM) technology delivers massive energy reserves with absolutely zero maintenance. Don’t just power your gear—protect your lifestyle with the legendary durability and precision engineering of Bosch!
Collection available from our Wellington store.
Collection available from our Wellington store.
Information
The Bosch 12V 120Ah AGM Battery represents the pinnacle of heavy-duty deep-cycle performance. Unlike standard flooded batteries, its internal acid is completely absorbed in high-purity glass mat separators. This completely sealed design makes the battery entirely spill-proof and leak-proof, allowing for safe installation in versatile mounting positions.
Designed specifically for sustained, high-current discharge and rapid recharge cycles, this substantial 120Ah unit is the ultimate heart for heavy-use caravans, off-grid cabins, marine craft, and critical solar storage networks. This is a premium investment for New Zealand conditions, ensuring you have dependable, long-lasting power exactly when and where you need it most.
Features
- Advanced AGM Technology: Delivers superior cyclic stability and extreme vibration resistance for rugged Kiwi roads and remote tracks.
- Substantial 120Ah Capacity: Provides extended runtime for heavy appliance loads, off-grid refrigeration, and multi-day camping.
- 100% Maintenance-Free: Sealed, gas-recombinant design means you never have to check fluid levels or top up water.
- Spill-Proof Construction: Safe for installation inside vehicle cabs, under seats, or inside caravan living areas.
- Rapid Recharging: Lower internal resistance allows the battery to accept charge significantly faster than traditional flooded batteries.
- Extended Cycle Life: Engineered to withstand deep discharges and recover repeatedly without sacrificing longevity.
- Robust Flame-Retardant Casing: Built tough to endure harsh environmental temperatures and demanding operating conditions.
Specifications
- Brand: Bosch
- Model: 12-120
- Voltage: 12V
- Nominal Capacity (C20): 120Ah
- Battery Type: AGM Deep Cycle
- Terminal Type: Heavy-Duty Insert Terminals (M8 / T11 compatible)
- Dimensions (Approx.): 407mm (L) x 174mm (W) x 233mm (H)
- Weight: Approx. 37.0kg
Charging Recommendations
To maximize the life of your Bosch 12V 120Ah AGM battery, it must be charged using an AGM-compatible smart charger or a properly configured DC-to-DC charger.
- Charging Profile: Always select the dedicated "AGM" or "Gel/AGM" setting on your charger.
- Recommended Charging Current: A bulk charging current between 12A and 30A (10% to 25% of the Ah capacity) is ideal for optimal battery health.
- Bulk/Absorption Voltage: 14.4V – 14.7V (at 25°C)
- Float Voltage: 13.5V – 13.8V (at 25°C)
- Avoid Traditional Chargers: Never use an old-style, unregulated "dumb" garage charger, as overcharging will vent gases and permanently damage the sealed AGM cells.
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Smart Advice for Maintenance
- Avoid Ultra-Deep Discharges: For maximum life span, try to keep your depth of discharge (DoD) above 30%. Frequently running a heavy 120Ah battery down to 0% will rapidly shorten its overall life cycle.
- Store Fully Charged: If you are putting your caravan or boat into storage for the winter, fully charge the battery beforehand. Check and top it up every 2 to 3 months, as AGM batteries self-discharge very slowly.
- Temperature Matters: Keep the battery away from direct engine heat where possible. High temperatures accelerate internal degradation, while cool, well-ventilated spaces extend its life.
- Handle with Care: At roughly 37kg, ensure your mounting trays, brackets, and lifting equipment are rated for heavy-duty commercial batteries.
- Keep Terminals Clean: Periodically check that the terminal connections are tight and free of dust or moisture to prevent high-resistance contact points.
Applications
RV BATTERY, GOLF BATTERY, SOLAR BATTERY, STANDBY BATTERY, AGM BATTERY, GEL BATTERY, MOTORHOME BATTERY, WHEELCHAIR BATTERY, MOBILITY BATTERY, BACKUP POWER BATTERY, BOAT BATTERY, DEEP CYCLE BATTERY, CYCLING BATTERY, DRY CELL BATTERY, LEISURE BATTERY and many more...
Links
Collections Only from: THE BATTERY CELL, 34 SEAVIEW ROAD, SEAVIEW, LOWER HUTT, WELLINGTON.
This service is Mon-Fri.
Deliveries can be quoted based on location, you will need to make contact for this option
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Associated Items
RRP:
NZ$ 619.00
Price:
NZ$ 449.00 including GST
or four payments of $112.25
with 
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UOM:
ea
Product Code:
TBCBAC12V120FR
Stock Status
In Stock
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