Bosch N120 Battery – Durable and High-Performance Power
The Bosch N120 is a premium heavy-duty starting battery engineered for exceptional performance across marine, commercial, agricultural, and industrial applications. Built with maintenance-free calcium technology, it delivers high cranking power, long-lasting reliability, and durability under tough conditions. Whether you’re starting large outboards, diesel engines, or industrial machinery, the Bosch N120 ensures powerful, consistent starts and dependable service life.
All Bosch batteries are backed by trusted German engineering, providing performance you can count on when it matters most.
Usually available within 24 hours for pickup from selected Smart Marine or Century Yuasa depot locations.
Features:
- Heavy-Duty Performance: Designed to meet high electrical demands in marine, commercial, and industrial applications.
- Maintenance-Free Technology: Advanced calcium technology for durability and hassle-free operation.
- Superior Starting Power: Delivers an impressive 1005 CCA for confident starts in all conditions.
- Long-Lasting Durability: Vibration-resistant casing built to handle rough environments.
- Trusted Bosch Quality: Global leader in power solutions with decades of engineering excellence.
- Nationwide Availability: Pickup options from Smart Marine stores and Century Yuasa depots across New Zealand.
Specifications:
- Model: Bosch N120
- Voltage: 12 V
- Capacity (Ah): 120 Ah
- Rate (20 H): 20 Hours
- Cold Cranking Amps (CCA): 1005 CCA
- Dimensions (L × W × H): 503 mm × 182 mm × 211 mm
- Total Height: 231 mm
- Weight: 38.27 kg
- Terminal Type: STD
- Battery Type: Maintenance-Free (MF) Calcium
- Warranty Period: 24 months
Battery Shipping - All batteries can only be sent to Mainfreight Depots. Great Barrier Island, Chatham Island or Waiheke Island are also excluded.
Available Pick Up Location (Please state in shipping note if choosing click and collect)
- Smart Marine Albany
- Smart Marine Mt.Wellington
- Smart Marine Manukau
- Smart Marine Hamilton
- Smart Marine Tauranga
- Century Yuasa batteries Whangarei
- Century Yuasa Batteries Napier
- Century Yuasa Batteries New Plymouth
- Century Yuasa Batteries Palmerston North
- Century Yuasa Batteries Wellington
- Century Yuasa Batteries Nelson
- Century Yuasa Batteries Christchurch
Smart VIP Price Promise
Our prices are very Smart at Smart Marine! Our Smart VIP Membership and committment to great deals makes sure of that, but if you find a lower price, tell us- we will match it!*

Price Promise Terms & Conditions
- Excludes limited time specials, clearances, non-stocked products, overseas websites, price comparison websites and eBay/TradeMe.
- Applies to identical products, in stock in NZ with pricing valid at time of price match request and purchase, with evidence supplied.
- Excluded Products: clearance, run-out, distress, damaged/soiled, parallel imported, non-stocks, trade quotes, commercial quantities, credit account holders, insurance claims, services, typos, overseas websites, price comparison websites, auction websites.
- Free product, offers, sales and promotions cannot be redeemed with price matches.
- The price match applies to the total cost to buy including shipping, taxes and fees.
- Approved Price Promise Matches and purchases can only be redeemed with our store crew. Please contact your closest store with stock.
- Short term finance may not be available with some price matched purchases. Please enquire.