1. Kupu Whakataki
This manual provides essential information for the safe and effective use of your OPTIMA Q31M-DP120 Dual Purpose Group 31 120 Ah Lithium Deep Cycle Battery. This battery is designed for both engine-starting and deep-cycle applications, suitable for marine, off-grid power, RV, and trolling motor uses. Please read this manual thoroughly before installation and operation.

Figure 1: OPTIMA ORANGETOP Q31M-DP120 Dual Purpose Lithium Battery.
2. Nga Korero Haumaru Nui
WHAKATŪPATO: Ki te kore e whai i enei tohutohu haumaru ka puta he whara nui, he mate, he kino rawa ranei.
- Always wear appropriate personal protective equipment (PPE), including eye protection and gloves, when handling batteries.
- Kaua e taiawhiowhio nga putu pākahiko.
- Use only lithium-specific chargers or charging algorithms recommended by OPTIMA. Using an incompatible charger can damage the battery and pose a fire hazard.
- Me whakarite kia tika te hau i te wā e utu ana hei ārai i te kohikohinga hau.
- Puritia te pākahiko kia matara atu i ngā mura ahi, ngā korakora, me ngā pūtake wera.
- Kaua e wetewete, werohia, whakarereketia ranei te pākahiko.
- Avoid dropping or subjecting the battery to severe impact.
- In case of fire, use a Class D fire extinguisher or copious amounts of water.
3. Nga Hua o te Hua
The OPTIMA Q31M-DP120 battery incorporates advanced technology for superior performance and reliability:
- Hoahoa Kaupapa-rua: Optimized for both engine starting (up to 1200A cranking power) and deep-cycle applications.
- Raukaha Teitei: 120 Ah capacity, offering extended power for various applications.
- Pūnaha Whakahaere Pūhiko (BMS): Microprocessor-controlled BMS monitors cell state of charge, balances cells, and protects against overcharging, over-discharging, and alternator 'load dump' events.
- OPTIMA CPR Built-in Jump-Start: Automatically reserves power to restart your engine if the battery is drained to 35% state of charge.
- Extreme Cold Performance: Reliable cranking performance down to -20°F.
- Hanganga pakari: IP67-rated for water and dust intrusion, ensuring durability in harsh environments.
- QUAD Terminals: Simplifies accessory hookup with multiple connection points.
- Integrated Bluetooth App & NMEA 2000 Communication: Monitor battery status, track performance, and receive alerts via a user-friendly mobile application and marine network compatibility.
Video 1: OPTIMA ORANGETOP QH6 - The Proof is in the Power. This video highlights the robust power delivery and features of the ORANGETOP battery.
Video 2: ORANGETOP CPR Built-in Battery Jump Start. This video demonstrates the CPR feature, allowing the battery to restart itself after being drained.
4. Tatūnga me te Tāuta
Proper installation is crucial for battery performance and safety. Refer to your vehicle or equipment manufacturer's manual for specific instructions.
4.1 Te Wetewete
Carefully remove the Q31M-DP120 battery from its packaging. Inspect for any signs of damage. The package includes the Q31M-DP120 Battery unit.
4.2 Whakapiki
- Ensure the battery is mounted securely to prevent movement or vibration, which can cause damage.
- The battery can be mounted in various orientations due to its sealed design, but ensure terminals are accessible.
- Verify that the battery fits seamlessly into existing Group 31 setups.
4.3 Hononga Hiko
- Connect the positive (+) terminal first, then the negative (-) terminal.
- Use appropriate cable sizes and ensure all connections are clean, tight, and corrosion-free.
- The QUAD terminals simplify connecting multiple accessories.

Figure 2: OPTIMA battery installed in a boat, demonstrating marine application.

Figure 3: RV utilizing an OPTIMA battery for reliable off-grid power.
5. Nga Tohutohu Whakahaere
The Q31M-DP120 is designed for versatile use across various applications.
5.1 Engine Starting
The battery provides up to 1200A of engine cranking power. Ensure all connections are secure before attempting to start the engine.
5.2 Deep Cycle Applications
For powering accessories, electronics, or trolling motors, the 120 Ah capacity offers extended run times. Monitor battery status via the Bluetooth app to manage power consumption effectively.
5.3 OPTIMA CPR Feature
If the battery's state of charge drops to 35% or below, the OPTIMA CPR feature will automatically reserve enough power to restart your engine. To activate the reserved power, follow the instructions provided in the Bluetooth app or on the battery itself.

Figure 4: An off-road vehicle demonstrating the battery's capability in demanding environments.
6. Te tiaki me te utu
Proper maintenance ensures the longevity and optimal performance of your OPTIMA Lithium battery.
6.1 Te utu
- Only use a lithium-specific charger or follow the recommended lithium charging algorithm. Incompatible chargers can cause damage.
- The integrated BMS manages the charging process, but it is essential to use the correct charger type.
- For long-term storage, ensure the battery is fully charged and maintained with a compatible charger.
6.2 Tiakitanga Whanui
- Kia ma nga pito o te pākahiko, kia kore he waikura.
- Regularly check battery connections for tightness.
- The IP67 rating protects against water and dust, but avoid prolonged submersion or exposure to extreme conditions beyond its rating.
Ataata 3: Kua Mutu te Huaview Ataata. Ko tenei ataata e whakarato ana i nga korero whanuiview of the OPTIMA battery, including its features and benefits.
Video 4: Optima Batteries Video. This video explains the unique Spiralcell Technology and pure lead construction that gives OPTIMA batteries their performance advantages.
7. Te Raru
If you encounter issues with your OPTIMA Q31M-DP120 battery, refer to the following common problems and solutions:
- Karekau te pākahiko i te utu: Ensure the charger is lithium-compatible and properly connected. Check for loose connections or damaged cables.
- Engine Not Cranking: Verify battery connections are secure. Check the battery's state of charge via the Bluetooth app. If drained, activate the OPTIMA CPR feature.
- Accessory Malfunction: Confirm that accessories are properly wired to the QUAD terminals and that the battery has sufficient charge.
- Nga Take Hononga Nihokikorangi: Ensure your mobile device's Bluetooth is enabled and within range. Restart the app or your device if necessary.
For persistent issues, contact OPTIMA customer support.
8. Whakatakotoranga
| Āhuahira | Whakatakotoranga |
|---|---|
| Tau tauira | Q31M-DP120 |
| Momo Pūhiko | Lithium (LiFePO4) Dual Purpose |
| Rahi Rōpū | Rōpū 31 |
| Te kaha | 120 Ah |
| Parekura Amps | Tae atu ki te 1200A |
| Nga taunga | QUAD Terminal |
| Taumaha | 43.2 pauna |
| Ahu (L x W x H) | 16 x 13 x 16 inihi |
| Whakatauranga Taiao | IP67 |
| Whakawhitiwhiti | NMEA 2000, Bluetooth App |
| UPC | 721112920337 |
9. He aha kei roto i te Pouaka
- 1 x OPTIMA Q31M-DP120 Battery
10. Pūtāhui me te Tautoko
10.1 Nga Korero Whakaputanga
The warranty on ORANGETOP batteries is 24 marama for free replacement for non-commercial use and 12 marama free replacement for commercial use. Automotive use is not covered under this warranty. Please retain your proof of purchase for warranty claims.
10.2 Tautoko Kiritaki
For technical assistance, warranty claims, or product inquiries, please contact OPTIMA customer service:
- Waea: 1-888-862-8462
- Webpae: optimabatteries.com





