Engineered for superior performance and high endurance, the TIANNENG TNE12-25 (6-DZF-20) 12V 25Ah Deep Cycle Battery is an ideal power solution for electric mobility and energy storage applications. Manufactured by Tianneng, a global leader in motive power batteries, the TNE series incorporates cutting-edge technology designed to deliver maximum energy efficiency and extended service life.
TIANNENG TNE12-25 Deep Cycle VRLA AGM Gel Battery (12V 25Ah)
The TIANNENG TNE12-25 is a high-performance 12V 25Ah deep-cycle VRLA battery featuring advanced Nano Silica Gel technology and rare-earth patented grid alloy. Built for long-lasting performance and reliable power delivery, it offers up to 400–600 cycles at 100% Depth of Discharge (DOD). Maintenance-free and leak-proof, it is ideal for electric mopeds, e-scooters, electric motorcycles, kid’s bikes, e-tricycles, and low-speed electric vehicles.
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| Category | Parameter | Specification |
| Basic Info | Brand & Model |
TIANNENG TNE12-25 (6-DZF-20) |
| Type / Voltage |
Deep-Cycle VRLA AGM / Nano Gel | 12V |
|
| Capacity | 20hr / 10hr |
25.0 Ah (1.80V/cell) | 22.0 Ah (1.75V/cell) |
| 5hr / 2hr |
21.5 Ah (1.75V/cell) | 20.0 Ah (1.75V/cell) |
|
| Physical Specs | Dimensions / Height |
180 × 77 × 171 mm (7.09 × 3.03 × 6.73 in) | TH: 171 mm |
| Weight / Terminal |
6.02 kg (13.27 lbs) ±3% | I10 (M5 Screw) |
|
| Container Material |
ABS UL94-HB (FR UL94-V0 optional) |
|
| Operating Temps | Discharge / Charge |
-15 to 50°C (5 to 122°F) | 0 to 40°C (32 to 104°F) |
| Storage / Optimum |
-15 to 40°C (5 to 104°F) | 25°C ± 2°C (77°F ± 5°F) |
|
| Charging | Max Current |
≤ 0.15C A |
| Cycle Voltage |
14.6–14.8V @ 25°C (-24mV/°C) |
|
| Float Voltage |
13.6–13.8V @ 25°C (-18mV/°C) |
|
| Performance | Self-Discharge |
90% (3 mos) | 80% (6 mos) |
| 100% DOD Life |
400–600 Cycles |

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