
User Manual
MODEL TWC1M
FOR IN-VEHICLE USE
Single Unit Rapid Charger

1
Introduction
Thank you for purchasing an ENDURA™ TWC1M, Single Unit Rapid Charger.
This high quality product is designed for charging two-way radio batteries in
a vehicle. With the appropriate charging pod installed, it can charge these
types of batteries: lithium ion (Li-Ion), lithium polymer (LiPo), nickel-metal
hydride (NiMH), or nickel cadmium (NiCd).
For a complete list of charging pods available for this charger, contact your
Power Products dealer or call customer service at 800-529-1618.
ENDURA™ TWC1M Features
1. Mounting bracket.
2. Adjustable tie-down strap.
3. Charge status LED.
4. Charge status LED
reference chart.
5. Removable charging pod.
6. Vehicle power adapter –
supplies power from a
12V – 24V outlet in
your vehicle.
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5
1
3
4
6

2
Important
1. Read all Caution statements below and this User Manual before attempting
to charge a battery.
2. Check to make sure a charging pod compatible with your battery is properly
installed on charger before placing battery in pod.
3. Always charge new batteries completely before initial use. Recycle batteries
when they can no longer be used. Do not discard unwanted batteries in the
trash or incinerate. Batteries exposed to fire or excessive heat may explode
4. For best battery performance, charge NiCd and NiMH batteries when they
are fully discharged.
Caution
1. Never charge alkaline or dry cell batteries with this charger. They may
burst and cause damage or personal injury.
2. Do not charge Li-Ion, LiPo, NiMH, or NiCd batteries unless they are designed
with overcharge protection.
3. Use charger inside a vehicle only. Do not expose the charger to rain, any
liquids, or excessive moisture.
4. Do not attempt to charge a battery without first installing the appropriate charging pod. Use only charging pods designed for the TWC1M. Disconnect charger
from power before installing, adjusting, or removing the charging pod.
5. Make sure contacts in charging pod and battery are clean. Do not allow
wire or metal objects to touch contacts in charging pod or any internal
part of the charger.
6. Do not remove the charger’s housing or make any modification to the charger.
7. Use only the vehicle power adapter supplied with the TWC1M charger.
If a replacement is required, order part number TWC1-VPA (standard) or
TWC6M-VPA (heavy duty). Use of other vehicle power adapters may damage
the charger or batteries you attempt to charge.