(Last Updated On: 25/11/2021)
  • 6KWH Custom Battery Packs for Marine, Yacht, Boat
  • 6KWH Custom Battery Packs for Marine, Yacht, Boat
  • 6KWH Custom Battery Packs for Marine, Yacht, Boat
  • Custom Battery Packs for Marine, Yacht, Boat 3KWH

6KWH Custom Battery Packs for Marine, Yacht, Boat

  • IP65 waterproof function

  • Continuous current 240A; peak current:650A; we adopt”relay” design

  • Battery module is designed according electronic automotive industrial shockproof level 8 standard

  • Can pass collision safety requirements (refer to ISO12405 standard)

  • Emergency start function

  • No protection circuit forcibly closed power supply function. That means: if there is any problem with the BMS, but the battery can still work if your boat is on the sea

  • Green Energy without contaminants

Request A Quik Quote
No. Item Name Basic parameter
1 Nominal capacity 240Ah
2 Minimum capacity ≥235Ah
3 Watt hour 6144Wh
4 Nominal voltage 25.6V
5 Operating voltage range 21.6V~28.8V
6 Standard charging current 120A
7 Maximum continuous charge current 250A
8 Standard discharging method 300A
9 Maximum continuous discharge current 300A; Max:370A(15S)
10 Cycle life ≥3500 cycles (80% DOD)
11 Operating temperature -20~55℃
12 Storage temperature -20~55℃
13 Charging heating Yes
14 Shipment voltage ≥25.6
12 Communication mode CAN/RS485
13 Size L594*W386*H261(mm)
14 Weight 62kgs

Low cost
Lithium battery costs less over its entire lifetime.
Weighs 75% less than lead acid. Saves fuel when used in a vehicle or a boat.
Able to deliver higher peak power for heavy loads than lead acid – continuous current as high as 250 A and surge current of 700 A.
Fast charging
Fully charges in 2 hours.
Long lifetime
Typically 4000 charging cycles, or more than 3 times the lifetime of lead acid.
High quality
Bonnen uses battery cells from the world leader CATL, and are backed by a 3-year warranty plus local after-sales service, ensuring trouble-free performance.
Built-in Battery Management System (BMS)
Ensures the safe operation of the battery by protecting it from overcharge, over-discharge and over current, thereby extending the lifetime of the battery
Battery monitoring
User can monitor the battery status through an LCD display or computer connection.
Simple connections make lithium batteries easier to deploy and use.
Bonnen can make a custom configuration to match your power, voltage and capacity needs.



  • Never connect the positive and the negative of the battery with metal
  • Never ship or store the battery with metal
  • Never cut or puncture the battery
  • Do not expose the battery to water
  • Do not expose the battery to fire & high temperature

Storage &Non Use

  • Storage in a dry place with temperature of not exceeding 30°C
  • For long term storage keep battery charged 30%-50% of capacity
  • Do not storage battery with metal
  • Use terminal post covers to prevent any short circuit circumstance

Additional Product Information

The Lithium battery makes every attempt to verify that its products are used and designed for your application. For additional questions or concerns, please contact with Bonnen or your distributor.

1): Are you a manufacturer or a trader?

Re: We are an expert in lithium battery manufacturer. We have successfully provided all kinds of comprehensive lithium battery solutions to different counties for about 10 years.

2): What brand and chemistry of batteries do you use?

Re: We will use LifePo4 or NMC lithium battery cells for your solution. In order to guarantee the quality of performance. We normally use the cell or module from Tier 1 battery cell manufacturer in the world. For example, we will use the lithium battery cells from GOTION or EVE. GOTION is the lithium battery cell supplier of Volkswagen. EVE is the lithium battery cell supplier of Daimler.

3): Is there a discount available if I order large quantities?

Re: Yes, with more bulk size orders, prices will be cheaper.

4): Do you offer battery chargers?

Re: Yes, we do. Please mention a charger when sending an inquiry. Please be advised that our charger cost is not included in the price of the battery.

5): What is your company’s intelligence like?

Re: Our company has ISO9001 certification. Most of our products are UN38.3, IEC62133, and CB certified.

6): When will my order be shipped?

Re: Normally 30 days after payment is received, but it can be negotiated based on order quantity and production schedule.

7): What is the quality guarantee period?

Re: 3 years!

8): Are the Lithium battery solutions waterproof?

Re: Bonnen Battery offers custom IP54, IP65 and IP67 levels. The IP67 level can at least ensure that the battery pack is immersed in water at a depth of one meter. This will not cause problems for a certain period of time.

Get A Fast Quote