56W 14V Fast Charger Compatible with GB70 GB150 Charger Cord

DONGNI’s 56W 14V fast charger is a high-efficiency replacement power adapter designed to rapidly recharge compatible GB-series lithium jump starters (GB70, GB150 and select models).

This compact replacement charger delivers a 56-watt, 14-volt output engineered to restore compatible DONGNI jump starters much faster than standard 2A USB chargers. Built for worldwide use with 100–240V input and reinforced connectors, it replaces lost or damaged cords and keeps your emergency power ready. Note: this model is not compatible with 5V or USB-C versions — confirm your jump starter’s voltage and port before purchase.

How quickly will this charger refill my GB70 or GB150 jump starter?

The 56W output is optimized for faster charging compared with lower-power adapters, significantly cutting downtime between uses. Charging speed will vary with battery condition and remaining capacity, but users typically see substantially reduced recharge times versus 2A chargers.

• 56-watt, 14-volt rated output for quicker top-ups
• Designed specifically for GB70, GB150, GB250+, GB251+, GB500, GB500+
• Not suitable for 5V or USB-C models — check compatibility first

Is this replacement safe to use with my DONGNI jump starter?

Yes — the charger includes multiple built-in safety features to protect the battery and your device during charging. Reinforced wiring and strain-resistant connectors lower the risk of damage from repeated use, while protection circuits guard against common electrical faults.

• Over-charge and over-current protection
• Over-voltage, short-circuit, and overheat safeguards
• Durable construction with reinforced cable and connector strain relief

Will this charger work internationally and with all models?

The adapter accepts 100–240V AC input, making it suitable for international travel when paired with appropriate plug adapters. It is explicitly made for the 14V DONGNI GB-series models listed; it will not function with 5V or USB-C jump starter variants.

• Universal voltage: 100–240V AC for global use
• Works with GB70, GB150, GB250+, GB251+, GB500, GB500+
• Confirm your unit’s voltage and connector type before buying

What comes in the box and how easy is it to replace the original cord?

The package contains one 56W replacement charger and a concise user manual for safe operation. Swapping is straightforward: unplug the original cord, connect the DONGNI replacement, and follow the included charging instructions.

• Includes: 1 x 56W replacement charger and 1 x user manual
• Plug-and-play replacement — no special tools required
• Tips in the manual for optimal charging and storage

Who is this for? If you own a DONGNI GB70, GB150, GB250+, GB251+, GB500, or GB500+ lithium jump starter and need a faster, more robust replacement power cord, this 56W 14V adapter is tailored for you. It suits drivers, fleet operators, roadside technicians, and anyone who relies on their jump starter for emergency starts and wants shorter recharge times and added safety features. Confirm your model’s voltage and connector type before ordering to ensure compatibility.