65D26 Battery — 55D26 / NS70 / N50 / N50Z
The 65D26 is the highest-volume JIS automotive battery model globally. Also marketed as NS70, N50, and 55D26 in different regions, it powers millions of mid-to-large Japanese sedans, SUVs, and light pickups across Africa, the Middle East, Southeast Asia, and Oceania. Its 260 x 173 mm footprint with T1 terminals has become the de facto standard for Asian-brand aftermarket batteries worldwide.
Quick Reference
| Parameter | Specification |
|---|---|
| Model | 65D26 |
| Also Known As | 55D26, NS70, N50, N50Z |
| Standard | JIS |
| Battery Type | SLI (Starting, Lighting, Ignition) |
| Nominal Voltage | 12 V |
| Capacity (C20) | 55-70 Ah |
| CCA Rating | 450-580 A (SAE) |
| Dimensions (LxWxH) | 260 x 173 x 202-225 mm |
| Terminal Type | T1 small post (JIS standard) |
| Polarity | Left Negative (-), Right Positive (+) — JIS type [0] |
| Hold-Down | B00 (top frame clamp) |
| Approximate Weight | 14-18 kg |
| Chengguang SKU | CG-JIS-65D26 |
Specification Ranges
Values shown are typical ranges. Exact CCA and Ah vary by production batch and customer specification. Contact Chengguang for your order's exact technical data sheet.
How to Identify This Battery
Distinctive JIS D-series case: 260 mm long x 173 mm wide with T1 small post terminals. The top label may show any of these designations depending on the target market:
| Label | Region |
|---|---|
| 65D26 | Most global markets |
| NS70 | Southeast Asia, Australia |
| N50 | Middle East, Africa |
| N50Z | High-CCA variant (some markets) |
All refer to the same physical battery. Verify by measuring: 260 mm length, T1 terminals, L- R+ polarity. The 65D26 is often confused with the shorter 55D23 (232 mm) — the 28 mm length difference is the key distinguishing mark.
Vehicle Applications
Mid-to-large sedans (2.0L-3.5L), mid-size SUVs, light pickups. The most versatile battery in the JIS lineup — fits more vehicle models than any other single size.
Compatible Vehicles
| Brand | Models |
|---|---|
| Toyota | Camry (all gen), RAV4, Fortuner, Hilux (diesel up to 3.0L), Innova |
| Honda | CR-V, Accord, Civic (some), Odyssey |
| Nissan | X-Trail, Teana, Patrol (petrol), Navara (some), Qashqai |
| Mazda | CX-5, Mazda 6, BT-50 |
| Mitsubishi | Pajero Sport, Montero, Triton/Strada, Outlander |
| Isuzu | D-Max, MU-X |
| Ford | Ranger (Asian market), Everest |
Fitment Verification
Vehicle fitment is provided as a general guide based on market experience. Always verify your vehicle's battery tray dimensions (260 x 173 mm), terminal position (L-/R+), and hold-down type (B00) before ordering. Some vehicles may require spacer adapters.
Regional Markets
The 65D26 is the backbone of automotive battery aftermarket trade across four continents:
| Region | Market Characteristic | Volume |
|---|---|---|
| Africa | Largest export market — East, West, Southern | :material-star::material-star::material-star::material-star::material-star: |
| Middle East | GCC + Levant — top-selling single model | :material-star::material-star::material-star::material-star: |
| Southeast Asia | Thailand, Indonesia, Philippines, Vietnam | :material-star::material-star::material-star::material-star: |
| Australia/Oceania | AS standard accepted | :material-star::material-star::material-star: |
| South America | Growing market | :material-star::material-star: |
Manufacturing at Chengguang
The 65D26 is the highest-volume production model at Chengguang Power Tech:
- Dedicated production line: Automated plate enveloping, COS (Cast-On-Strap) welding, heat-seal cover
- Average daily output: 8,000-10,000 units across all brand labels
- Grid alloy: Calcium-calcium (Ca-Ca) for maintenance-free operation with low water loss
- Plate design: Radial grid pattern for uniform current distribution
- Certification: IATF 16949:2016 certified process with full batch traceability from grid casting to container loading
- Quality records: Every battery's formation data, CCA test result, and assembly timestamp stored for 5 years
Testing & Quality Control
Every 65D26 battery undergoes:
| Test | Standard | Pass Criteria | Coverage |
|---|---|---|---|
| CCA Cold Cranking | SAE J537 at -18degC | >450 A at 30 seconds, >7.2V | 100% |
| Open Circuit Voltage | — | >12.60V after formation | 100% |
| High-Rate Discharge | 30-second test | Voltage stability check | 100% |
| Visual Inspection | — | Case, terminals, label, polarity | 100% |
| C20 Capacity | IEC 60095-1 | >=95% of rated Ah | Batch (1:500) |
| Reserve Capacity | SAE J537 | 25A to 10.5V | Batch (1:500) |
| Charge Acceptance | IEC 60095-1 | Current at 14.4V | Batch (1:500) |
| Vibration | JIS D 5301 | 3g RMS, 8 hours | Batch (1:2000) |
| Thermal Cycling | -30degC to +60degC | No leakage, CCA retention | Type approval |
Related Battery Models
- 55D23 — Shorter case (232 mm), lower CCA. Common predecessor for older/smaller vehicles
- 105D31 — Longer case (306 mm), higher capacity (90Ah). Upgrade for large SUVs and light trucks
- DIN66 / 56638 — European dimensional equivalent. Verify terminal position and hold-down (B13 vs B00)
- N50 / N50Z — Same physical case. N50Z typically indicates higher CCA variant
- 55D26 — Economy variant: same case, lower capacity/CCA
Equivalent Models & Cross-Reference
| Model | Standard | Relationship | Confidence |
|---|---|---|---|
| 55D26 | JIS | Alias — Same case, lower capacity | :material-check: High |
| NS70 | JIS | Alias — Same battery, SE Asia/Australia naming | :material-check: High |
| N50 | JIS | Alias — Same battery, Middle East/Africa naming | :material-check: High |
| N50Z | JIS | Alias — High-CCA variant, same case | :material-check: High |
Equivalent Does Not Mean Identical
Different model designations may indicate different CCA/Ah ratings even within the same case size. Always check the actual specifications on the battery label. Cross-standard equivalents (JIS to DIN/BCI) are dimensional approximations only — electrical specifications differ by standard and test method.
OEM & Private Label Availability
This model is available for OEM manufacturing under your brand from Chengguang Power Tech:
- :material-factory: IATF 16949:2016 certified manufacturing in Jinzhou, Hebei, China
- :material-palette: Custom label, case color, terminal type, and retail packaging
- :material-certificate: Full batch traceability — raw material lot to shipping container
- :material-test-tube: 100% pre-shipment CCA and capacity testing with CoA documentation
- :material-package-variant-closed: DG-compliant export packaging (UN 2794 / Class 8)
- :material-file-document: Technical data sheet, MSDS, and Certificate of Analysis per shipment
Request OEM Quote View OEM Process
Frequently Asked Questions
What does 65D26 mean?
The JIS model code breaks down as: 65 = performance class (capacity/CCA tier — higher = more), D = width class (D = wide case, approximately 173 mm), 26 = approximate case length in centimeters (26 cm = 260 mm). Higher performance numbers indicate higher capacity and CCA within the same case family.
Is NS70 the same as 65D26?
Yes — they are the same physical battery. 'NS' is the traditional Japanese naming convention used in Southeast Asia, Australia, and New Zealand. A battery labeled 'NS70' from a reputable manufacturer is dimensionally and electrically equivalent to a 65D26. Always verify the CCA and Ah ratings on the label, as regional specifications may differ slightly.
What is the difference between 65D26 and 55D26?
They share identical case dimensions (260 x 173 mm) and terminals. The difference is electrical: - 65D26: ~65Ah, ~550 CCA — standard specification - 55D26: ~55Ah, ~450 CCA — economy variant for price-sensitive markets
Both fit the same vehicles. The 55D26 is typically 10-15% lower cost.
Can a 65D26 be used for diesel engines?
Yes — the 65D26 is commonly used in diesel vehicles up to approximately 3.0L displacement (Toyota Hilux, Fortuner, Isuzu D-Max). For larger diesel engines (>3.5L) or vehicles operated in cold climates, consider upgrading to a 105D31 (longer case, higher CCA) or a heavy-duty model such as 145G51.
How long does a 65D26 battery last?
- Temperate climates (15-25degC average): 3-5 years typical service life
- Hot climates (Middle East, Africa, 35-45degC): 18-30 months — heat is the #1 factor accelerating battery aging
- Factors reducing life: Frequent short trips (incomplete recharge), aftermarket electrical accessories, corroded terminals, faulty alternator/voltage regulator
Regular charging system checks (alternator output 13.8-14.4V) can significantly extend battery life in hot climates.
Last verified: 2026-08-11 | Source: Chengguang Power Tech Co., Ltd. product documentation | SKU: CG-JIS-65D26 | Manufactured in Jinzhou, Hebei, China
Author: Chengguang Power Tech Technical Team | Reviewed: IATF 16949 Quality Department | Technical Reference